[
  {
    "timestamp": "2026-07-07 18:26:12.876",
    "epoch": 1783448772.8768687,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 941,
    "applied_label": "fall_candidate",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:26:13.917",
    "epoch": 1783448773.917596,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 858,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:27:56.210",
    "epoch": 1783448876.2102735,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1345,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:28:27.740",
    "epoch": 1783448907.7403553,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1242,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:28:29.200",
    "epoch": 1783448909.2003906,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 136px right over 2s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1237,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:28:30.443",
    "epoch": 1783448910.4437282,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 104px right over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 834,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:28:31.451",
    "epoch": 1783448911.4515884,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 174px right over 3s and apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1266,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:28:32.921",
    "epoch": 1783448912.921724,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 935,
    "applied_label": "trying_to_stand",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:28:33.931",
    "epoch": 1783448913.9313552,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1253,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:28:35.391",
    "epoch": 1783448915.3914568,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 46px right over 3s and apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:28:46.122",
    "epoch": 1783448926.1224632,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 67px left over 1s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 876,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:28:49.010",
    "epoch": 1783448929.0103438,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 837,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:28:50.020",
    "epoch": 1783448930.0205026,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:28:51.079",
    "epoch": 1783448931.0799968,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 56px left over 2s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 2,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1281,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:28:52.525",
    "epoch": 1783448932.525138,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 883,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:28:53.551",
    "epoch": 1783448933.5511403,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 877,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:28:54.560",
    "epoch": 1783448934.560551,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 135px right over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 865,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:28:55.622",
    "epoch": 1783448935.6228955,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 212px right over 3s and apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:28:56.621",
    "epoch": 1783448936.6216013,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 126px right over 2s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 867,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:29:24.091",
    "epoch": 1783448964.091541,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 895,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:29:25.124",
    "epoch": 1783448965.1249,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 994,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:29:26.161",
    "epoch": 1783448966.1618834,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px right over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 919,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:29:27.813",
    "epoch": 1783448967.8133502,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 853,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:29:31.931",
    "epoch": 1783448971.9311483,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:29:32.940",
    "epoch": 1783448972.9403481,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:29:34.002",
    "epoch": 1783448974.002358,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 60px left over 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 874,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:29:35.010",
    "epoch": 1783448975.010162,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px left over 2s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 869,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:29:36.061",
    "epoch": 1783448976.0617485,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 71px left over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 868,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:29:37.070",
    "epoch": 1783448977.070896,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 857,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:29:38.120",
    "epoch": 1783448978.1206365,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 852,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:29:39.131",
    "epoch": 1783448979.1311157,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:29:40.192",
    "epoch": 1783448980.1926286,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 98px left over 3s and apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 852,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:29:41.201",
    "epoch": 1783448981.2015154,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 86px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 847,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:29:43.260",
    "epoch": 1783448983.2604864,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 827,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:29:44.911",
    "epoch": 1783448984.9112628,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 860,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:29:48.031",
    "epoch": 1783448988.031174,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:29:49.043",
    "epoch": 1783448989.043993,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 924,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:29:50.095",
    "epoch": 1783448990.095253,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 872,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:29:51.197",
    "epoch": 1783448991.197591,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 875,
    "applied_label": "standing",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 845,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:30:40.852",
    "epoch": 1783449040.8527253,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 966,
    "applied_label": "trying_to_sit",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:30:41.861",
    "epoch": 1783449041.8612475,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "standing",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 18:30:42.922",
    "epoch": 1783449042.9225686,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 962,
    "applied_label": "trying_to_sit",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:30:46.221",
    "epoch": 1783449046.2213814,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 902,
    "applied_label": "standing",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 18:30:47.462",
    "epoch": 1783449047.4620872,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 924,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:30:49.930",
    "epoch": 1783449049.9303856,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 854,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:30:51.582",
    "epoch": 1783449051.5822608,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 936,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:30:52.821",
    "epoch": 1783449052.821915,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 942,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:30:53.830",
    "epoch": 1783449053.8301606,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 902,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:30:55.899",
    "epoch": 1783449055.899205,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 911,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:30:57.359",
    "epoch": 1783449057.359394,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 942,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:30:59.011",
    "epoch": 1783449059.011674,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 905,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:31:00.022",
    "epoch": 1783449060.0225022,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 869,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:01.080",
    "epoch": 1783449061.0801215,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:04.560",
    "epoch": 1783449064.5608802,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 904,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:07.686",
    "epoch": 1783449067.686399,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:08.693",
    "epoch": 1783449068.6938727,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 877,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:12.809",
    "epoch": 1783449072.8094451,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 845,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:13.871",
    "epoch": 1783449073.8710563,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 820,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:14.880",
    "epoch": 1783449074.8804932,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 95px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 837,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:31:16.121",
    "epoch": 1783449076.1210635,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 45px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 864,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:16.988",
    "epoch": 1783449076.988672,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 101px right over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 824,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:18.013",
    "epoch": 1783449078.0133862,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 873,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:31:19.718",
    "epoch": 1783449079.7187757,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 115px left over 3s and apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 831,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:21.300",
    "epoch": 1783449081.3000903,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:31:22.312",
    "epoch": 1783449082.3126934,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:25.024",
    "epoch": 1783449085.0242972,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 112px left over 3s and apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 855,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:26.020",
    "epoch": 1783449086.0204,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 99px right over 3s and apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 873,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:31:27.084",
    "epoch": 1783449087.0845046,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 904,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:31:28.729",
    "epoch": 1783449088.729721,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 904,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:29.960",
    "epoch": 1783449089.9607599,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 881,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:32.851",
    "epoch": 1783449092.8515704,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 861,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:43.769",
    "epoch": 1783449103.769574,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:46.880",
    "epoch": 1783449106.8806696,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:47.891",
    "epoch": 1783449107.8916423,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 881,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:31:48.953",
    "epoch": 1783449108.9531891,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 886,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:31:49.961",
    "epoch": 1783449109.9615843,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 853,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:31:50.825",
    "epoch": 1783449110.8259523,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px right over 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 830,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:31:51.840",
    "epoch": 1783449111.8408515,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px right over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 837,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:31:52.851",
    "epoch": 1783449112.8511348,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 101px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 830,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:31:53.907",
    "epoch": 1783449113.9078982,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px right over 3s and apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 821,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:31:54.732",
    "epoch": 1783449114.7324748,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 823,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:31:55.741",
    "epoch": 1783449115.7417662,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 830,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:31:56.790",
    "epoch": 1783449116.790933,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 830,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:31:57.624",
    "epoch": 1783449117.6241944,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 817,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:31:58.445",
    "epoch": 1783449118.4453745,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 814,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:31:59.272",
    "epoch": 1783449119.272889,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 832,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:32:00.281",
    "epoch": 1783449120.28186,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 858,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:32:01.334",
    "epoch": 1783449121.3345253,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 873,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:32:02.340",
    "epoch": 1783449122.3408678,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:32:03.391",
    "epoch": 1783449123.3918667,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 875,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:32:04.402",
    "epoch": 1783449124.402543,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:32:06.287",
    "epoch": 1783449126.287241,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 823,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:32:07.114",
    "epoch": 1783449127.1141806,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 827,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:32:08.123",
    "epoch": 1783449128.1231306,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 78px left over 3s and apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:32:09.175",
    "epoch": 1783449129.1752815,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 110px left over 3s and apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 983,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:32:10.184",
    "epoch": 1783449130.1841242,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 94px left over 3s and apparent size shrank 29% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 865,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:32:11.235",
    "epoch": 1783449131.2351882,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 67px left over 3s and apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 888,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:32:12.242",
    "epoch": 1783449132.2422752,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 946,
    "applied_label": "trying_to_sit",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:32:13.304",
    "epoch": 1783449133.3046129,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 991,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 18:32:14.313",
    "epoch": 1783449134.313895,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1005,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 18:32:16.600",
    "epoch": 1783449136.60062,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 836,
    "applied_label": "walking",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 18:32:19.082",
    "epoch": 1783449139.08278,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px right over 2s and apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 877,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:32:21.552",
    "epoch": 1783449141.5520587,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 45px right over 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 949,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:32:23.016",
    "epoch": 1783449143.0163808,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:32:26.092",
    "epoch": 1783449146.0920415,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 844,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:32:27.103",
    "epoch": 1783449147.1033216,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 841,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:32:27.964",
    "epoch": 1783449147.96411,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 855,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:32:28.982",
    "epoch": 1783449148.9829512,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 847,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:32:33.930",
    "epoch": 1783449153.9309416,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 928,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:32:35.771",
    "epoch": 1783449155.7717412,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 882,
    "applied_label": "standing",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:32:38.473",
    "epoch": 1783449158.473578,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:32:41.538",
    "epoch": 1783449161.5383024,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:32:45.077",
    "epoch": 1783449165.077328,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 849,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:32:46.523",
    "epoch": 1783449166.5235188,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 873,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:32:47.625",
    "epoch": 1783449167.625545,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 888,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:32:50.851",
    "epoch": 1783449170.8511465,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 822,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:32:53.738",
    "epoch": 1783449173.738314,
    "track_id": 3,
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 879,
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    "timestamp": "2026-07-07 18:32:54.751",
    "epoch": 1783449174.7516687,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 896,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-07 18:33:02.001",
    "epoch": 1783449182.001332,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 872,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:33:03.418",
    "epoch": 1783449183.4185362,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 850,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:33:04.473",
    "epoch": 1783449184.473674,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 836,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:33:05.481",
    "epoch": 1783449185.4814823,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 873,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:33:08.191",
    "epoch": 1783449188.1913114,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 857,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:33:18.688",
    "epoch": 1783449198.688939,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:33:21.387",
    "epoch": 1783449201.3877323,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 877,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:33:29.231",
    "epoch": 1783449209.2315898,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 875,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:33:32.538",
    "epoch": 1783449212.5389953,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:33:36.018",
    "epoch": 1783449216.018244,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 884,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:33:37.899",
    "epoch": 1783449217.8999658,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 841,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:33:38.910",
    "epoch": 1783449218.910875,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 868,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:33:39.970",
    "epoch": 1783449219.9706364,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 842,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:33:41.199",
    "epoch": 1783449221.1999617,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 830,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:33:42.212",
    "epoch": 1783449222.2121408,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1292,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:33:47.388",
    "epoch": 1783449227.3880563,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 890,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:33:52.528",
    "epoch": 1783449232.5287127,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 816,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:33:53.350",
    "epoch": 1783449233.3508396,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 890,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:33:54.410",
    "epoch": 1783449234.410801,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 925,
    "applied_label": "trying_to_stand",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:33:56.239",
    "epoch": 1783449236.2399504,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 886,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:33:57.304",
    "epoch": 1783449237.3041282,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px right over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 904,
    "applied_label": "trying_to_stand",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:33:58.311",
    "epoch": 1783449238.311315,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 842,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:33:59.361",
    "epoch": 1783449239.3615215,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 83px left over 2s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1234,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:34:00.601",
    "epoch": 1783449240.6015666,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 80px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 835,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:34:01.612",
    "epoch": 1783449241.6127696,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 830,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:34:02.466",
    "epoch": 1783449242.4664984,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 902,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:34:03.565",
    "epoch": 1783449243.5657415,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 913,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:34:04.501",
    "epoch": 1783449244.5012925,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 92px left over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 835,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:34:45.579",
    "epoch": 1783449285.5795448,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 838,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:35:04.341",
    "epoch": 1783449304.3411436,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 899,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:35:05.392",
    "epoch": 1783449305.3929949,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 853,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:35:07.040",
    "epoch": 1783449307.0407066,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 903,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:35:08.052",
    "epoch": 1783449308.052436,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 911,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:35:09.112",
    "epoch": 1783449309.1123555,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 833,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:35:10.121",
    "epoch": 1783449310.1217957,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 867,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:35:12.179",
    "epoch": 1783449312.1792119,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 839,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:35:13.235",
    "epoch": 1783449313.2350407,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
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    "timestamp": "2026-07-07 18:35:14.242",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "timestamp": "2026-07-07 18:35:19.609",
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    "request_type": "multi_classify",
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    "timestamp": "2026-07-07 18:35:20.665",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-07 18:35:24.153",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "timestamp": "2026-07-07 18:35:26.256",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 903,
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    "timestamp": "2026-07-07 18:35:38.411",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 1s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 846,
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  {
    "timestamp": "2026-07-07 18:35:56.149",
    "epoch": 1783449356.1496358,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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  {
    "timestamp": "2026-07-07 18:36:01.521",
    "epoch": 1783449361.5216775,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 822,
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    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:36:02.354",
    "epoch": 1783449362.35411,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 848,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:36:04.409",
    "epoch": 1783449364.4091287,
    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 1s.",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 846,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:36:06.059",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-07 18:36:07.072",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
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  },
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    "timestamp": "2026-07-07 18:36:08.123",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"walking\"     }   ] } ```",
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    "applied_label": "walking",
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    "timestamp": "2026-07-07 18:36:09.363",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
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  },
  {
    "timestamp": "2026-07-07 18:36:10.373",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
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  },
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    "timestamp": "2026-07-07 18:36:12.428",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-07 18:36:13.669",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-07 18:36:14.503",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person moved 86px left over 3s and apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1226,
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    "timestamp": "2026-07-07 18:36:15.742",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 176px left over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
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    "applied_label": "walking",
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    "timestamp": "2026-07-07 18:36:16.793",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 200px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
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    "applied_label": "walking",
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    "timestamp": "2026-07-07 18:36:17.629",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 142px left over 3s and apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 816,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-07 18:36:18.624",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 67px left over 3s and apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 862,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-07 18:36:19.682",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 56px left over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 820,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-07 18:36:20.695",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px left over 3s and apparent size shrank 25% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 861,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:36:22.342",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 907,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:36:23.991",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 885,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:36:25.045",
    "epoch": 1783449385.0451455,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 856,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:36:27.930",
    "epoch": 1783449387.9306388,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 854,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:36:28.945",
    "epoch": 1783449388.9452026,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:36:39.670",
    "epoch": 1783449399.6701057,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 869,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:36:40.732",
    "epoch": 1783449400.7324698,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 926,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:36:42.150",
    "epoch": 1783449402.1505055,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 888,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:36:43.203",
    "epoch": 1783449403.203167,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 886,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:36:44.212",
    "epoch": 1783449404.212878,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 49px right over 3s and apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 862,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:36:45.277",
    "epoch": 1783449405.2772264,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px right over 3s and apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 813,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:36:46.094",
    "epoch": 1783449406.094744,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 73px right over 3s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:36:47.102",
    "epoch": 1783449407.1028855,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 65px right over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 848,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:36:48.152",
    "epoch": 1783449408.1528742,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 84px right over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 880,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:36:49.161",
    "epoch": 1783449409.161828,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 87px right over 3s and apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:36:50.224",
    "epoch": 1783449410.2243605,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 89px right over 3s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 857,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:36:51.240",
    "epoch": 1783449411.2400966,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 95px right over 3s and apparent size grew 35% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 838,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:36:52.284",
    "epoch": 1783449412.2848241,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px right over 3s and apparent size grew 41% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 852,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:36:53.292",
    "epoch": 1783449413.292391,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 857,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:36:54.343",
    "epoch": 1783449414.3431633,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 957,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:36:55.353",
    "epoch": 1783449415.3534665,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 961,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 18:36:56.413",
    "epoch": 1783449416.4135814,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 957,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 18:36:57.447",
    "epoch": 1783449417.4479077,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 971,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 18:37:22.591",
    "epoch": 1783449442.5914154,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 822,
    "applied_label": "standing",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 18:37:23.661",
    "epoch": 1783449443.6615438,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 883,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:37:41.993",
    "epoch": 1783449461.9932086,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 913,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:38:07.161",
    "epoch": 1783449487.1615324,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 877,
    "applied_label": "fall_candidate",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:38:52.788",
    "epoch": 1783449532.788796,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 857,
    "applied_label": "fall_candidate",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:39:48.268",
    "epoch": 1783449588.2689047,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 938,
    "applied_label": "fall_candidate",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:40:11.799",
    "epoch": 1783449611.7995443,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 848,
    "applied_label": "fall_candidate",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:40:12.854",
    "epoch": 1783449612.854914,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 251,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:40:13.862",
    "epoch": 1783449613.8629477,
    "track_id": 3,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 976,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:40:13.866",
    "epoch": 1783449613.8663096,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 869,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:40:16.148",
    "epoch": 1783449616.148505,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 881,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:40:26.241",
    "epoch": 1783449626.2411041,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 923,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:40:27.303",
    "epoch": 1783449627.3039572,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 848,
    "applied_label": "walking",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:40:28.314",
    "epoch": 1783449628.3144057,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 907,
    "applied_label": "fall_candidate",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:40:29.365",
    "epoch": 1783449629.3652136,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 909,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:40:30.375",
    "epoch": 1783449630.3757513,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 957,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:40:31.435",
    "epoch": 1783449631.435631,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 929,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:40:32.432",
    "epoch": 1783449632.4328263,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 901,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:40:33.902",
    "epoch": 1783449633.9022834,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 929,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:40:34.912",
    "epoch": 1783449634.912092,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 935,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:40:35.963",
    "epoch": 1783449635.963254,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 891,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:40:36.972",
    "epoch": 1783449636.9725254,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 886,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:40:38.032",
    "epoch": 1783449638.0327475,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px right over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:40:39.079",
    "epoch": 1783449639.0791426,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 52px right over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 896,
    "applied_label": "fall_candidate",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:40:40.095",
    "epoch": 1783449640.0954971,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"trying_to_stand\"     }   ] } ```",
    "latency_ms": 1302,
    "applied_label": "trying_to_stand",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:40:41.513",
    "epoch": 1783449641.5135834,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
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    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:41:33.509",
    "epoch": 1783449693.5095932,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 866,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:41:34.574",
    "epoch": 1783449694.5741036,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 934,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:41:35.573",
    "epoch": 1783449695.5732765,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 907,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:41:36.635",
    "epoch": 1783449696.6350584,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 867,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:41:38.281",
    "epoch": 1783449698.2817295,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 869,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:41:39.698",
    "epoch": 1783449699.6983016,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 876,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:41:40.648",
    "epoch": 1783449700.648302,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 874,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:41:41.583",
    "epoch": 1783449701.5835679,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 868,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:41:42.593",
    "epoch": 1783449702.593869,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 866,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:41:43.653",
    "epoch": 1783449703.6535192,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 900,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:41:44.653",
    "epoch": 1783449704.6537623,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 901,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:41:45.742",
    "epoch": 1783449705.7425165,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 45px left over 3s and apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 904,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:41:46.723",
    "epoch": 1783449706.7231972,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 867,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:41:47.773",
    "epoch": 1783449707.7737195,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"trying_to_stand\"     }   ] } ```",
    "latency_ms": 1288,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:41:49.192",
    "epoch": 1783449709.192331,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"trying_to_stand\"     }   ] } ```",
    "latency_ms": 1284,
    "applied_label": "trying_to_stand",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:41:50.665",
    "epoch": 1783449710.6658251,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 816,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:41:51.493",
    "epoch": 1783449711.4934633,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 831,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:41:52.503",
    "epoch": 1783449712.5032485,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 822,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:41:53.552",
    "epoch": 1783449713.5522637,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 824,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:41:54.385",
    "epoch": 1783449714.3853598,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 817,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:41:55.382",
    "epoch": 1783449715.3827503,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 69px left over 3s and apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 819,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:41:56.218",
    "epoch": 1783449716.2187216,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 908,
    "applied_label": "trying_to_stand",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:41:57.274",
    "epoch": 1783449717.274384,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 910,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:41:58.275",
    "epoch": 1783449718.2753525,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 96px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:41:59.335",
    "epoch": 1783449719.3357975,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 835,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:42:00.343",
    "epoch": 1783449720.343558,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px right over 3s and apparent size grew 39% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 837,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:42:01.397",
    "epoch": 1783449721.3970618,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 75px left over 3s and apparent size grew 41% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1288,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:42:02.817",
    "epoch": 1783449722.8179805,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 53px left over 3s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1200,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:42:04.053",
    "epoch": 1783449724.0536017,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 834,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:42:06.120",
    "epoch": 1783449726.1201384,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 821,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:42:07.791",
    "epoch": 1783449727.7912402,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 870,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:42:09.651",
    "epoch": 1783449729.651502,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:42:11.713",
    "epoch": 1783449731.7138836,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 922,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:42:12.726",
    "epoch": 1783449732.7267594,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 72px right over 3s and apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1203,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:42:13.967",
    "epoch": 1783449733.9675865,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 103px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 905,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:42:15.017",
    "epoch": 1783449735.017324,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 873,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:42:16.026",
    "epoch": 1783449736.0260584,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px left over 3s and apparent size shrank 38% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 884,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:42:17.075",
    "epoch": 1783449737.0756822,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 93px left over 3s and apparent size shrank 37% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 874,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:42:18.085",
    "epoch": 1783449738.085548,
    "track_id": 3,
    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
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    "request_type": "multi_classify",
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    "vlm_label": "sitting",
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    "request_type": "multi_classify",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
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    "request_type": "multi_classify",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
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    "applied_label": "fall_candidate",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 920,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-07 18:42:50.270",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 902,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "epoch": 1783449771.5137413,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 863,
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    "timestamp": "2026-07-07 18:42:53.266",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 874,
    "applied_label": "fall_candidate",
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    "timestamp": "2026-07-07 18:42:54.224",
    "epoch": 1783449774.2245836,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"trying_to_stand\"     }   ] } ```",
    "latency_ms": 1302,
    "applied_label": "trying_to_stand",
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    "timestamp": "2026-07-07 18:42:55.870",
    "epoch": 1783449775.8706222,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 850,
    "applied_label": "fall_candidate",
    "previous_label": "trying_to_stand"
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    "timestamp": "2026-07-07 18:42:57.110",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 877,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-07 18:42:58.940",
    "epoch": 1783449778.9406834,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 848,
    "applied_label": "walking",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 978,
    "applied_label": "fall_candidate",
    "previous_label": "walking"
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1301,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
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    "epoch": 1783449783.481542,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 867,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-07 18:43:06.598",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 860,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-07 18:43:08.018",
    "epoch": 1783449788.018118,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "standing",
    "previous_label": "sitting"
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    "timestamp": "2026-07-07 18:43:09.899",
    "epoch": 1783449789.899849,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 870,
    "applied_label": "sitting",
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    "timestamp": "2026-07-07 18:43:11.601",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"lying_in_bed\"     }   ] } ```",
    "latency_ms": 1276,
    "applied_label": "fall_candidate",
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  {
    "timestamp": "2026-07-07 18:43:13.008",
    "epoch": 1783449793.0082936,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 864,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-07 18:43:14.076",
    "epoch": 1783449794.0764885,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 857,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 855,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-07 18:43:17.105",
    "epoch": 1783449797.1054533,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 837,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-07 18:43:18.984",
    "epoch": 1783449798.9842684,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 904,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:43:20.811",
    "epoch": 1783449800.8117993,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 872,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:43:22.688",
    "epoch": 1783449802.6885471,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 840,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:43:23.703",
    "epoch": 1783449803.7035825,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 852,
    "applied_label": "standing",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:43:25.578",
    "epoch": 1783449805.5786307,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 910,
    "applied_label": "fall_candidate",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:43:27.828",
    "epoch": 1783449807.828023,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 839,
    "applied_label": "standing",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:43:29.478",
    "epoch": 1783449809.4787028,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:43:30.543",
    "epoch": 1783449810.543109,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:43:31.768",
    "epoch": 1783449811.7688003,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 838,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:43:33.839",
    "epoch": 1783449813.8397028,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 874,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:43:35.899",
    "epoch": 1783449815.8998497,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 864,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:43:37.139",
    "epoch": 1783449817.1398878,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 971,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:43:40.229",
    "epoch": 1783449820.2291417,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 867,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:43:41.447",
    "epoch": 1783449821.4475493,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 877,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:43:43.920",
    "epoch": 1783449823.9202874,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 859,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:43:44.983",
    "epoch": 1783449824.9835298,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 900,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:43:45.994",
    "epoch": 1783449825.9943807,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 901,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:43:47.044",
    "epoch": 1783449827.0444522,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 941,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:43:48.053",
    "epoch": 1783449828.0535424,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "standing",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:43:49.313",
    "epoch": 1783449829.313955,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 848,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:43:51.768",
    "epoch": 1783449831.7689059,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 888,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:43:53.230",
    "epoch": 1783449833.2307231,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 875,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:43:55.711",
    "epoch": 1783449835.7115936,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 826,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:43:56.724",
    "epoch": 1783449836.7244892,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 898,
    "applied_label": "fall_candidate",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:43:59.838",
    "epoch": 1783449839.8387234,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 872,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:44:04.149",
    "epoch": 1783449844.1491554,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 888,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:07.679",
    "epoch": 1783449847.6799126,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 935,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:08.693",
    "epoch": 1783449848.693145,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 887,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:44:09.919",
    "epoch": 1783449849.9194696,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 950,
    "applied_label": "trying_to_stand",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:44:10.985",
    "epoch": 1783449850.985437,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:44:11.994",
    "epoch": 1783449851.9942963,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px right over 2s and apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 868,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:13.047",
    "epoch": 1783449853.0470238,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 68px right over 3s and apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 870,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:44:14.055",
    "epoch": 1783449854.0552037,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px right over 3s and apparent size grew 36% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 870,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:44:15.114",
    "epoch": 1783449855.11485,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px left over 3s and apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:44:16.145",
    "epoch": 1783449856.1455271,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 80px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 838,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:44:17.175",
    "epoch": 1783449857.1758163,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 79px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 848,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:44:18.184",
    "epoch": 1783449858.1846852,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 881,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:44:19.236",
    "epoch": 1783449859.236635,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 839,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:20.244",
    "epoch": 1783449860.2448761,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 87px left over 3s and apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:44:21.484",
    "epoch": 1783449861.4843848,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 963,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:44:22.725",
    "epoch": 1783449862.7250679,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_sit\"}]} ```",
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    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
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  {
    "timestamp": "2026-07-07 18:44:23.774",
    "epoch": 1783449863.7748008,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 18:44:25.224",
    "epoch": 1783449865.2245398,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 870,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:26.841",
    "epoch": 1783449866.8412373,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 861,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:31.613",
    "epoch": 1783449871.613052,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 840,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:33.034",
    "epoch": 1783449873.0347784,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 853,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:44:34.504",
    "epoch": 1783449874.5041153,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 858,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:35.919",
    "epoch": 1783449875.919877,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 881,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:44:40.485",
    "epoch": 1783449880.485291,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 35% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 916,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:41.527",
    "epoch": 1783449881.527837,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 900,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:42.944",
    "epoch": 1783449882.9445877,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 830,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:43.995",
    "epoch": 1783449883.9950557,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 31% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 858,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:44:46.058",
    "epoch": 1783449886.058074,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 880,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:44:48.118",
    "epoch": 1783449888.1186168,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 855,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:49.134",
    "epoch": 1783449889.134174,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 848,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:50.185",
    "epoch": 1783449890.1858845,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px left over 3s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 894,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:44:51.194",
    "epoch": 1783449891.1942077,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 903,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:52.114",
    "epoch": 1783449892.1140296,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 913,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:53.075",
    "epoch": 1783449893.0750306,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 900,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:54.314",
    "epoch": 1783449894.3142953,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px right over 3s and apparent size shrank 26% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:44:55.324",
    "epoch": 1783449895.324026,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:44:56.387",
    "epoch": 1783449896.3870203,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:57.385",
    "epoch": 1783449897.3858166,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:44:58.445",
    "epoch": 1783449898.445386,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 3s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:44:59.455",
    "epoch": 1783449899.4551926,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px left over 3s and apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 952,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:45:00.507",
    "epoch": 1783449900.5072038,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 951,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:45:01.536",
    "epoch": 1783449901.536827,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 992,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:45:02.578",
    "epoch": 1783449902.5786724,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 896,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:45:03.585",
    "epoch": 1783449903.5851243,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 895,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:45:04.633",
    "epoch": 1783449904.6337273,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:45:05.873",
    "epoch": 1783449905.873953,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px right over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:45:07.295",
    "epoch": 1783449907.2952676,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px right over 3s and apparent size shrank 25% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 861,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:45:08.529",
    "epoch": 1783449908.529094,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 876,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:45:09.759",
    "epoch": 1783449909.7595477,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 872,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:45:11.236",
    "epoch": 1783449911.2368119,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 874,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:45:13.069",
    "epoch": 1783449913.0695868,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 872,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-07 18:45:19.259",
    "epoch": 1783449919.259449,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 877,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:45:24.619",
    "epoch": 1783449924.6191194,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 867,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:45:28.749",
    "epoch": 1783449928.7491405,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 1,
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    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-07 18:45:40.724",
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    "request_type": "multi_classify",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-07 18:45:43.421",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 2s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 2s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-07 18:45:52.096",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-07 18:45:54.571",
    "epoch": 1783449954.571215,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 16% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 841,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-07 18:45:56.220",
    "epoch": 1783449956.2203152,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 802,
    "applied_label": "standing",
    "previous_label": "sitting"
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    "timestamp": "2026-07-07 18:45:57.229",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 31% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 873,
    "applied_label": "sitting",
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    "timestamp": "2026-07-07 18:45:58.287",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 872,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:45:59.526",
    "epoch": 1783449959.5267816,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 843,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-07 18:46:01.173",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-07 18:46:04.240",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-07 18:46:07.960",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 866,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:46:09.016",
    "epoch": 1783449969.0164518,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 885,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:46:10.024",
    "epoch": 1783449970.0249321,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 36% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 851,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:46:20.148",
    "epoch": 1783449980.148803,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 871,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:46:21.164",
    "epoch": 1783449981.1642644,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 865,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
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  {
    "timestamp": "2026-07-07 18:46:22.225",
    "epoch": 1783449982.2255263,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:46:23.458",
    "epoch": 1783449983.4588435,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 880,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:46:24.879",
    "epoch": 1783449984.8793988,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 880,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:46:25.935",
    "epoch": 1783449985.935385,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 871,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:46:26.944",
    "epoch": 1783449986.944619,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 881,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:46:28.409",
    "epoch": 1783449988.4090714,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 893,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:46:29.657",
    "epoch": 1783449989.6577487,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:46:31.069",
    "epoch": 1783449991.0699408,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 864,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:46:32.128",
    "epoch": 1783449992.1285603,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 899,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:46:33.136",
    "epoch": 1783449993.1361868,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 901,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:46:34.608",
    "epoch": 1783449994.608514,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "sitting",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px right over 3s and apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 19% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "vlm_label": "sitting",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
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    "vlm_label": "sitting",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "vlm_label": "sitting",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-07 18:47:30.725",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
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    "camera_id": "213",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
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    "request_type": "multi_classify",
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    "camera_id": "213",
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    "camera_id": "213",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-07 18:49:02.770",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 945,
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    "timestamp": "2026-07-07 18:49:15.144",
    "epoch": 1783450155.1448066,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 954,
    "applied_label": "sitting",
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    "timestamp": "2026-07-07 18:49:16.157",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 977,
    "applied_label": "sitting",
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    "timestamp": "2026-07-07 18:49:18.039",
    "epoch": 1783450158.039874,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1005,
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 938,
    "applied_label": "sitting",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 972,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-07 18:49:23.995",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 964,
    "applied_label": "sitting",
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    "timestamp": "2026-07-07 18:49:25.257",
    "epoch": 1783450165.2579677,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 982,
    "applied_label": "sitting",
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    "timestamp": "2026-07-07 18:49:26.290",
    "epoch": 1783450166.2905126,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 974,
    "applied_label": "sitting",
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    "timestamp": "2026-07-07 18:49:27.297",
    "epoch": 1783450167.297971,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 968,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-07 18:49:28.347",
    "epoch": 1783450168.347772,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 949,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 18:49:29.357",
    "epoch": 1783450169.357788,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "camera_id": "213",
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    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"walking\"     }   ] } ```",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"lying_in_bed\"}]} ```",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "frames_sent": 4,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 316,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:58:07.085",
    "epoch": 1783450687.0850453,
    "track_id": 6,
    "request_type": "fall_verify",
    "zone": "floor",
    "movement_context": null,
    "frames_sent": 4,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 280,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:58:07.504",
    "epoch": 1783450687.5042598,
    "track_id": 6,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1174,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 18:58:07.512",
    "epoch": 1783450687.512883,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 974,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:58:08.504",
    "epoch": 1783450688.5048602,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 924,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:58:09.965",
    "epoch": 1783450689.9656873,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 944,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:58:10.985",
    "epoch": 1783450690.9855068,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 961,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:58:12.044",
    "epoch": 1783450692.0447514,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 959,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:58:13.045",
    "epoch": 1783450693.0454462,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 940,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:58:14.106",
    "epoch": 1783450694.1063797,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 871,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 18:58:15.116",
    "epoch": 1783450695.116287,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 107px right over 3s and apparent size grew 34% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 927,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:59:45.078",
    "epoch": 1783450785.0781925,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"standing\"}]} ```",
    "latency_ms": 911,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:59:46.135",
    "epoch": 1783450786.1351192,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"standing\"}]} ```",
    "latency_ms": 922,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:59:47.144",
    "epoch": 1783450787.1448483,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 150px right over 1s and apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 7,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1330,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:59:48.616",
    "epoch": 1783450788.6162345,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 131px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 948,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:59:49.614",
    "epoch": 1783450789.614779,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"standing\"}]} ```",
    "latency_ms": 896,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:59:50.675",
    "epoch": 1783450790.6751063,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 2s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1001,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 18:59:51.915",
    "epoch": 1783450791.915206,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1032,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:59:53.154",
    "epoch": 1783450793.1540298,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 117px right over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 975,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 18:59:54.154",
    "epoch": 1783450794.1544502,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 174px right over 3s and apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 975,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:59:55.214",
    "epoch": 1783450795.2147026,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 175px right over 3s and apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 917,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:59:56.635",
    "epoch": 1783450796.6351337,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 74px left over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 905,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 18:59:57.695",
    "epoch": 1783450797.6956306,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 7,       \"activity\": \"trying_to_stand\"     }   ] } ```",
    "latency_ms": 1445,
    "applied_label": "trying_to_stand",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 18:59:59.344",
    "epoch": 1783450799.3449342,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"standing\"}]} ```",
    "latency_ms": 915,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:00:00.354",
    "epoch": 1783450800.3549182,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 970,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:00:01.406",
    "epoch": 1783450801.4069421,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1002,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:00:02.644",
    "epoch": 1783450802.6446056,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 86px left over 3s and apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 891,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:00:03.656",
    "epoch": 1783450803.6562326,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 257px left over 3s and apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 909,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:00:04.706",
    "epoch": 1783450804.7060113,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 201px left over 3s and apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 7,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1333,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:00:06.126",
    "epoch": 1783450806.1268382,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 82px left over 3s and apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1011,
    "applied_label": "trying_to_stand",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:00:07.184",
    "epoch": 1783450807.1848922,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 941,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:00:08.195",
    "epoch": 1783450808.195756,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1071,
    "applied_label": "trying_to_sit",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:09.425",
    "epoch": 1783450809.4255297,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 88px right over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 998,
    "applied_label": "sitting",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 19:00:10.485",
    "epoch": 1783450810.4853263,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 80px right over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 920,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:11.496",
    "epoch": 1783450811.4966018,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 989,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:00:12.545",
    "epoch": 1783450812.5457273,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1038,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:13.784",
    "epoch": 1783450813.784732,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 968,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:15.019",
    "epoch": 1783450815.019872,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 982,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:16.036",
    "epoch": 1783450816.0365238,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 26% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1026,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:17.084",
    "epoch": 1783450817.0849178,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 28% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1015,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:18.326",
    "epoch": 1783450818.326461,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1013,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:19.356",
    "epoch": 1783450819.3565204,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 45px left over 3s and apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 7,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1411,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:20.806",
    "epoch": 1783450820.8061402,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 968,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:00:22.217",
    "epoch": 1783450822.2174203,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 930,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:00:23.275",
    "epoch": 1783450823.2751591,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"standing\"}]} ```",
    "latency_ms": 878,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:24.285",
    "epoch": 1783450824.2850811,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px right over 2s and apparent size shrank 25% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 954,
    "applied_label": "fall_candidate",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:00:25.348",
    "epoch": 1783450825.3482988,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 972,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 19:00:26.576",
    "epoch": 1783450826.5767744,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 960,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:27.585",
    "epoch": 1783450827.5850787,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 7,       \"activity\": \"trying_to_stand\"     }   ] } ```",
    "latency_ms": 1393,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:29.055",
    "epoch": 1783450829.055205,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 991,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:00:30.065",
    "epoch": 1783450830.0657275,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1017,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:31.115",
    "epoch": 1783450831.1151774,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 957,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:32.126",
    "epoch": 1783450832.1267266,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 943,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:33.185",
    "epoch": 1783450833.1851854,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 952,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:34.194",
    "epoch": 1783450834.1949427,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 952,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:35.245",
    "epoch": 1783450835.2450974,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 974,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:36.254",
    "epoch": 1783450836.2549114,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 925,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:37.305",
    "epoch": 1783450837.3055289,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 921,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:38.316",
    "epoch": 1783450838.31679,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 938,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:39.375",
    "epoch": 1783450839.3758812,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 877,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:40.606",
    "epoch": 1783450840.6062293,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:41.681",
    "epoch": 1783450841.6814804,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 897,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:43.086",
    "epoch": 1783450843.0865102,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 977,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:44.095",
    "epoch": 1783450844.0958474,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 48px right over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 949,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:45.325",
    "epoch": 1783450845.3257906,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:46.565",
    "epoch": 1783450846.5657248,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 937,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:47.625",
    "epoch": 1783450847.6250784,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:48.636",
    "epoch": 1783450848.6360614,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 914,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:49.695",
    "epoch": 1783450849.6952665,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:50.696",
    "epoch": 1783450850.6969693,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:51.754",
    "epoch": 1783450851.7547212,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 940,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:52.765",
    "epoch": 1783450852.765767,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 989,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:53.818",
    "epoch": 1783450853.8184366,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 999,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:55.054",
    "epoch": 1783450855.0546877,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 999,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:56.064",
    "epoch": 1783450856.0649397,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 968,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:57.115",
    "epoch": 1783450857.1156738,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 45px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 983,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:58.127",
    "epoch": 1783450858.1278174,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 954,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:00:59.186",
    "epoch": 1783450859.1863306,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 977,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:01:00.194",
    "epoch": 1783450860.1947484,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 974,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:01:01.245",
    "epoch": 1783450861.2459197,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 966,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:01:02.259",
    "epoch": 1783450862.2596402,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 955,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:01:03.305",
    "epoch": 1783450863.3059022,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 914,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:01:04.316",
    "epoch": 1783450864.3167613,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 944,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:01:05.375",
    "epoch": 1783450865.3758488,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 932,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:01:06.385",
    "epoch": 1783450866.3851738,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 936,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:01:08.255",
    "epoch": 1783450868.2557619,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 963,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:01:09.276",
    "epoch": 1783450869.2762997,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 974,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:01:10.325",
    "epoch": 1783450870.3255951,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 46px right over 3s and apparent size grew 34% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 953,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:01:11.336",
    "epoch": 1783450871.3362396,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 957,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:01:12.385",
    "epoch": 1783450872.3859973,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 98px right over 3s and apparent size grew 53% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 954,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:01:13.395",
    "epoch": 1783450873.3953254,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 148px right over 3s and apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 906,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:01:14.455",
    "epoch": 1783450874.4554086,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 156px right over 3s and apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 7,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1320,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:01:15.876",
    "epoch": 1783450875.8763857,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1007,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:01:16.925",
    "epoch": 1783450876.925979,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 134px left over 3s and apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 930,
    "applied_label": "walking",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 19:01:17.937",
    "epoch": 1783450877.9375803,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 62px left over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 932,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:01:18.997",
    "epoch": 1783450878.9972646,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 7,       \"activity\": \"trying_to_stand\"     }   ] } ```",
    "latency_ms": 1428,
    "applied_label": "trying_to_stand",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:01:20.645",
    "epoch": 1783450880.64571,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 67px right over 3s and apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 7,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1388,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:02:02.086",
    "epoch": 1783450922.0861595,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 920,
    "applied_label": "unknown",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:02:03.155",
    "epoch": 1783450923.1559007,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "unknown"
  },
  {
    "timestamp": "2026-07-07 19:02:04.155",
    "epoch": 1783450924.155869,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px left over 1s and apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:02:05.216",
    "epoch": 1783450925.2161195,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 97px left over 2s and apparent size shrank 34% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 878,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:02:06.245",
    "epoch": 1783450926.2450607,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 116px left over 3s and apparent size shrank 49% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 881,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:02:07.275",
    "epoch": 1783450927.2753086,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 56px left over 3s and apparent size shrank 51% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 885,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:06:13.235",
    "epoch": 1783451173.2352443,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 864,
    "applied_label": "unknown",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:08:43.492",
    "epoch": 1783451323.4924867,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 12, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:08:44.475",
    "epoch": 1783451324.4754279,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 12, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 981,
    "applied_label": "trying_to_sit",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:08:45.525",
    "epoch": 1783451325.525754,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 12, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 997,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 19:08:46.535",
    "epoch": 1783451326.53583,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 47% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 12,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1291,
    "applied_label": "walking",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 19:08:48.006",
    "epoch": 1783451328.0062234,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 70px left over 3s and apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 12, \"activity\": \"walking\"}]} ```",
    "latency_ms": 906,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:08:49.015",
    "epoch": 1783451329.0152657,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 118px left over 3s and apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 12, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 983,
    "applied_label": "trying_to_stand",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:08:50.075",
    "epoch": 1783451330.0757875,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 118px left over 2s and apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 12, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:08:51.077",
    "epoch": 1783451331.0774844,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px right over 2s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 12,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1275,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:09:18.716",
    "epoch": 1783451358.7164147,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 896,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:09:19.786",
    "epoch": 1783451359.786054,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 147px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"walking\"}]} ```",
    "latency_ms": 887,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:09:20.819",
    "epoch": 1783451360.8195086,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 149px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 875,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:09:23.680",
    "epoch": 1783451363.6801784,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 842,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:09:24.736",
    "epoch": 1783451364.7363925,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 81px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1057,
    "applied_label": "trying_to_sit",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:09:25.976",
    "epoch": 1783451365.976268,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 97px left over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1020,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 19:09:27.216",
    "epoch": 1783451367.2163842,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1126,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:09:28.446",
    "epoch": 1783451368.4468887,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1074,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 19:09:29.690",
    "epoch": 1783451369.6906846,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px right over 3s and apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 979,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:09:30.698",
    "epoch": 1783451370.6985536,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px right over 3s and apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 941,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:09:31.756",
    "epoch": 1783451371.756618,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 939,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:09:32.767",
    "epoch": 1783451372.767475,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 1004,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:09:33.818",
    "epoch": 1783451373.8185856,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 1001,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:09:35.059",
    "epoch": 1783451375.0593376,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1052,
    "applied_label": "trying_to_sit",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:09:36.296",
    "epoch": 1783451376.2966194,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 114px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"walking\"}]} ```",
    "latency_ms": 874,
    "applied_label": "walking",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 19:09:37.297",
    "epoch": 1783451377.2975712,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 149px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:09:38.358",
    "epoch": 1783451378.3582067,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 150px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"walking\"}]} ```",
    "latency_ms": 947,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:09:39.391",
    "epoch": 1783451379.3918402,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 986,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:09:40.599",
    "epoch": 1783451380.5992587,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 945,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:09:41.656",
    "epoch": 1783451381.656763,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 88px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:09:42.666",
    "epoch": 1783451382.666375,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 153px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"walking\"}]} ```",
    "latency_ms": 864,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:09:43.725",
    "epoch": 1783451383.7256172,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 95px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:09:44.725",
    "epoch": 1783451384.7254448,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:09:45.787",
    "epoch": 1783451385.7872906,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 150px left over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"walking\"}]} ```",
    "latency_ms": 843,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:09:46.798",
    "epoch": 1783451386.7981467,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 260px left over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"walking\"}]} ```",
    "latency_ms": 885,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:09:47.850",
    "epoch": 1783451387.8504472,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 221px left over 3s and apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 15,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1225,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:09:50.316",
    "epoch": 1783451390.3167055,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 842,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:09:51.336",
    "epoch": 1783451391.3364615,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 846,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:09:52.386",
    "epoch": 1783451392.3868892,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 137px right over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"walking\"}]} ```",
    "latency_ms": 861,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:09:53.397",
    "epoch": 1783451393.397112,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 147px right over 3s and apparent size shrank 26% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"walking\"}]} ```",
    "latency_ms": 927,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:09:54.457",
    "epoch": 1783451394.4580123,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 125px right over 3s and apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"walking\"}]} ```",
    "latency_ms": 918,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:09:55.459",
    "epoch": 1783451395.4593725,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 80px left over 3s and apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"walking\"}]} ```",
    "latency_ms": 958,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:09:56.516",
    "epoch": 1783451396.5169585,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 84px left over 3s and apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"walking\"}]} ```",
    "latency_ms": 894,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:09:57.525",
    "epoch": 1783451397.525946,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 78px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:09:58.577",
    "epoch": 1783451398.5772696,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 838,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:09:59.586",
    "epoch": 1783451399.5861566,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 901,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:10:00.816",
    "epoch": 1783451400.8162088,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 916,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:10:01.878",
    "epoch": 1783451401.878404,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 875,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:10:02.886",
    "epoch": 1783451402.8863003,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 864,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:10:03.946",
    "epoch": 1783451403.9462075,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 73px right over 3s and apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:10:04.957",
    "epoch": 1783451404.9572277,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 938,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:10:06.010",
    "epoch": 1783451406.0106056,
    "track_id": 15,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 89px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 947,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:13:01.190",
    "epoch": 1783451581.1904826,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 65px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 836,
    "applied_label": "walking",
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  },
  {
    "timestamp": "2026-07-07 19:13:02.250",
    "epoch": 1783451582.2505856,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 118px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 816,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:13:03.082",
    "epoch": 1783451583.0824928,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 65px left over 2s and apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 888,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:13:04.093",
    "epoch": 1783451584.0935063,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 859,
    "applied_label": "sitting",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-07 19:13:05.175",
    "epoch": 1783451585.1752787,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 864,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:13:06.150",
    "epoch": 1783451586.150875,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 856,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:15:49.159",
    "epoch": 1783451749.1597087,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 839,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:15:50.220",
    "epoch": 1783451750.2207627,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 125px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 831,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:15:51.229",
    "epoch": 1783451751.229859,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 133px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 804,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:15:52.050",
    "epoch": 1783451752.0508335,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 870,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:15:53.109",
    "epoch": 1783451753.1091,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 885,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:15:54.119",
    "epoch": 1783451754.119013,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 864,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:15:55.349",
    "epoch": 1783451755.3494573,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 846,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:15:56.410",
    "epoch": 1783451756.4105232,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 142px right over 3s and apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 830,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:16:21.349",
    "epoch": 1783451781.3492277,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 845,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:16:22.411",
    "epoch": 1783451782.4119902,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 815,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:16:23.242",
    "epoch": 1783451783.2422464,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 135px left over 2s and apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 820,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:16:24.240",
    "epoch": 1783451784.2402966,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 219px left over 3s and apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 812,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:16:25.094",
    "epoch": 1783451785.094384,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 120px left over 3s and apparent size shrank 29% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 824,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:16:26.124",
    "epoch": 1783451786.124065,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 135px left over 3s and apparent size shrank 45% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 826,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:16:27.129",
    "epoch": 1783451787.1294265,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 89px left over 3s and apparent size shrank 45% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 826,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:16:28.192",
    "epoch": 1783451788.1924481,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 57px left over 3s and apparent size shrank 32% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 838,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:16:29.198",
    "epoch": 1783451789.198847,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 832,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:16:30.249",
    "epoch": 1783451790.249253,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 839,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:16:31.259",
    "epoch": 1783451791.2594366,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 853,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:16:32.489",
    "epoch": 1783451792.4897935,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 868,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:16:34.368",
    "epoch": 1783451794.3688881,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:16:35.388",
    "epoch": 1783451795.3886902,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 872,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:16:36.439",
    "epoch": 1783451796.4398174,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 822,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:16:37.449",
    "epoch": 1783451797.4495218,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px right over 3s and apparent size grew 55% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 847,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:16:38.511",
    "epoch": 1783451798.5112278,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 91px right over 3s and apparent size grew 55% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 836,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:16:39.520",
    "epoch": 1783451799.5207157,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 57px right over 3s and apparent size grew 57% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:16:40.575",
    "epoch": 1783451800.57512,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 120px left over 3s and apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 881,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:16:41.583",
    "epoch": 1783451801.5834246,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 168px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 863,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:16:42.631",
    "epoch": 1783451802.631443,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 162px left over 3s and apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 822,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:16:43.639",
    "epoch": 1783451803.6399813,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 943,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:16:45.727",
    "epoch": 1783451805.727769,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 886,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:16:47.993",
    "epoch": 1783451807.9934592,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 981,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:16:50.461",
    "epoch": 1783451810.4619884,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 862,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:16:51.890",
    "epoch": 1783451811.890612,
    "track_id": 3,
    "request_type": "multi_classify",
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    "vlm_label": "sitting",
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  {
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    "vlm_label": "sitting",
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    "request_type": "multi_classify",
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    "vlm_label": "sitting",
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  {
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
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    "camera_id": "213",
    "vlm_label": "sitting",
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  {
    "timestamp": "2026-07-07 19:17:04.913",
    "epoch": 1783451824.9138536,
    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "No movement data available.",
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    "vlm_label": "sitting",
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  },
  {
    "timestamp": "2026-07-07 19:17:05.931",
    "epoch": 1783451825.9312534,
    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person moved 113px right over 1s.",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 837,
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  {
    "timestamp": "2026-07-07 19:17:06.980",
    "epoch": 1783451826.980966,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 91px right over 2s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 812,
    "applied_label": "walking",
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  },
  {
    "timestamp": "2026-07-07 19:17:07.812",
    "epoch": 1783451827.8128161,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
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  {
    "timestamp": "2026-07-07 19:17:08.632",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
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    "timestamp": "2026-07-07 19:17:09.647",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 94px left over 3s and apparent size shrank 44% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"walking\"     }   ] } ```",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 84px left over 3s.",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-07 19:17:16.061",
    "epoch": 1783451836.0611663,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-07 19:17:17.070",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 25% (moving TOWARD camera).",
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    "camera_id": "213",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px right over 3s and apparent size grew 46% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 37% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 98px left over 3s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
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  {
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 99px left over 3s and apparent size shrank 20% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
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    "applied_label": "walking",
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  },
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    "timestamp": "2026-07-07 19:18:06.619",
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    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 883,
    "applied_label": "fall_candidate",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:18:07.650",
    "epoch": 1783451887.6509163,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 223,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 19:18:08.060",
    "epoch": 1783451888.060663,
    "track_id": 4,
    "request_type": "fall_verify",
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    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
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    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 19:18:08.472",
    "epoch": 1783451888.4726987,
    "track_id": 4,
    "request_type": "fall_verify",
    "zone": "floor",
    "movement_context": null,
    "frames_sent": 3,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 1044,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 19:18:08.889",
    "epoch": 1783451888.8895533,
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    "request_type": "unknown",
    "zone": null,
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    "frames_sent": 0,
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    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 259,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 19:18:08.900",
    "epoch": 1783451888.9005742,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 213,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 19:18:09.301",
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    "request_type": "fall_verify",
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    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 275,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-07 19:18:09.712",
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    "track_id": 4,
    "request_type": "fall_verify",
    "zone": "floor",
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    "frames_sent": 4,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 977,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "epoch": 1783451889.9017413,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 282,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 19:18:10.120",
    "epoch": 1783451890.120393,
    "track_id": 4,
    "request_type": "fall_verify",
    "zone": "floor",
    "movement_context": null,
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    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
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    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 19:18:10.540",
    "epoch": 1783451890.5403783,
    "track_id": 4,
    "request_type": "fall_verify",
    "zone": "floor",
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    "frames_sent": 4,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 911,
    "applied_label": "standing",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-07 19:18:10.951",
    "epoch": 1783451890.9518888,
    "track_id": 4,
    "request_type": "unknown",
    "zone": null,
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    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 273,
    "applied_label": "fall_candidate",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:18:10.962",
    "epoch": 1783451890.96288,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:18:12.179",
    "epoch": 1783451892.1795561,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 833,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:18:13.198",
    "epoch": 1783451893.1989944,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:18:14.250",
    "epoch": 1783451894.2502053,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 1000,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:18:15.489",
    "epoch": 1783451895.4891715,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:18:16.500",
    "epoch": 1783451896.5009334,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 838,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:18:17.553",
    "epoch": 1783451897.5532525,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 53px right over 3s and apparent size grew 21% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:18:18.560",
    "epoch": 1783451898.560229,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 953,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:18:19.622",
    "epoch": 1783451899.6225457,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 932,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:18:20.629",
    "epoch": 1783451900.629813,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 839,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 19:18:21.679",
    "epoch": 1783451901.6799583,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 72px right over 3s and apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 822,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 19:18:22.690",
    "epoch": 1783451902.6910114,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 827,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 19:18:23.744",
    "epoch": 1783451903.7444835,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 828,
    "applied_label": "standing",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 19:18:24.969",
    "epoch": 1783451904.9691129,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 830,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:18:25.813",
    "epoch": 1783451905.8137264,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 818,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:18:26.821",
    "epoch": 1783451906.821775,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 841,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:18:27.874",
    "epoch": 1783451907.874284,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 915,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:18:28.952",
    "epoch": 1783451908.952693,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 944,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:18:29.932",
    "epoch": 1783451909.9325707,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 817,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:18:30.764",
    "epoch": 1783451910.7645888,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 826,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:18:31.771",
    "epoch": 1783451911.7711751,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px left over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 827,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:18:32.822",
    "epoch": 1783451912.8221714,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 74px left over 3s and apparent size shrank 30% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 833,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:18:33.855",
    "epoch": 1783451913.8558278,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px left over 3s and apparent size shrank 44% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 983,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:18:34.894",
    "epoch": 1783451914.8940609,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1041,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:18:36.122",
    "epoch": 1783451916.1229513,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 953,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:18:37.132",
    "epoch": 1783451917.1330054,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 883,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:19:34.490",
    "epoch": 1783451974.4900475,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 834,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:19:35.552",
    "epoch": 1783451975.5524304,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:19:36.779",
    "epoch": 1783451976.7799501,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 841,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:19:37.802",
    "epoch": 1783451977.802203,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 80px right over 1s and apparent size grew 35% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 832,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:19:38.876",
    "epoch": 1783451978.876512,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 105px right over 2s and apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 839,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:19:39.973",
    "epoch": 1783451979.973218,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 89px right over 3s and apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 832,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:19:40.925",
    "epoch": 1783451980.9255497,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 833,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:19:42.150",
    "epoch": 1783451982.1506324,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:19:43.163",
    "epoch": 1783451983.1631458,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 113px left over 3s and apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 827,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:19:44.221",
    "epoch": 1783451984.2214878,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 131px left over 3s and apparent size shrank 29% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 823,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:19:45.230",
    "epoch": 1783451985.2302282,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 139px left over 3s and apparent size shrank 33% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 843,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:19:46.282",
    "epoch": 1783451986.2827353,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 80px left over 3s and apparent size shrank 28% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:19:47.290",
    "epoch": 1783451987.2907507,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_sit\"}]} ```",
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    "timestamp": "2026-07-07 19:19:48.350",
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    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
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    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
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    "timestamp": "2026-07-07 19:19:50.578",
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    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "fallen",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
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  {
    "timestamp": "2026-07-07 19:19:58.841",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "timestamp": "2026-07-07 19:19:59.903",
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    "request_type": "multi_classify",
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    "camera_id": "213",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
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    "timestamp": "2026-07-07 19:20:01.963",
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    "track_id": 5,
    "request_type": "multi_classify",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 873,
    "applied_label": "walking",
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    "timestamp": "2026-07-07 19:20:03.381",
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    "track_id": 5,
    "request_type": "multi_classify",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 845,
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    "previous_label": "walking"
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 954,
    "applied_label": "fall_candidate",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
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    "applied_label": "fall_candidate",
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    "timestamp": "2026-07-07 19:20:09.148",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 1s.",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 903,
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    "timestamp": "2026-07-07 19:20:10.221",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
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    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 868,
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    "timestamp": "2026-07-07 19:20:11.232",
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    "track_id": 5,
    "request_type": "multi_classify",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
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    "applied_label": "fall_candidate",
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    "track_id": 5,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 1s.",
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    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
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    "applied_label": "fall_candidate",
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    "track_id": 5,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 2s.",
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    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
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    "applied_label": "fall_candidate",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 889,
    "applied_label": "fall_candidate",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "fall_candidate",
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    "epoch": 1783452018.2400305,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 921,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "fall_candidate",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 879,
    "applied_label": "sitting",
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    "track_id": 5,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-07 19:20:23.422",
    "epoch": 1783452023.4226048,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 876,
    "applied_label": "sitting",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
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    "timestamp": "2026-07-07 19:20:28.548",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 896,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 19:20:30.607",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
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    "timestamp": "2026-07-07 19:20:31.680",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 843,
    "applied_label": "sitting",
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    "timestamp": "2026-07-07 19:20:32.689",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 872,
    "applied_label": "sitting",
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    "epoch": 1783452033.7416198,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 840,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-07 19:20:34.970",
    "epoch": 1783452034.9705045,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 880,
    "applied_label": "sitting",
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    "timestamp": "2026-07-07 19:20:36.810",
    "epoch": 1783452036.8109972,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 918,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-07 19:20:38.883",
    "epoch": 1783452038.8835402,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 939,
    "applied_label": "sitting",
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    "timestamp": "2026-07-07 19:20:39.943",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 903,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:20:40.941",
    "epoch": 1783452040.94109,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:20:42.579",
    "epoch": 1783452042.5795836,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:20:43.650",
    "epoch": 1783452043.650098,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 879,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:20:44.660",
    "epoch": 1783452044.6605566,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 928,
    "applied_label": "trying_to_stand",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:20:45.712",
    "epoch": 1783452045.712506,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 946,
    "applied_label": "trying_to_stand",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:20:46.720",
    "epoch": 1783452046.720851,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 939,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:20:47.770",
    "epoch": 1783452047.770111,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 943,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:20:48.780",
    "epoch": 1783452048.7804632,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 933,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:20:49.840",
    "epoch": 1783452049.840598,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 929,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:20:50.851",
    "epoch": 1783452050.8513494,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 901,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:20:51.901",
    "epoch": 1783452051.9011388,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 34% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 841,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:20:52.910",
    "epoch": 1783452052.9100566,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 838,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:20:53.973",
    "epoch": 1783452053.9735925,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 846,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:20:54.970",
    "epoch": 1783452054.9707673,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 839,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:20:56.034",
    "epoch": 1783452056.034247,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 840,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:20:57.042",
    "epoch": 1783452057.0426846,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 842,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:20:58.092",
    "epoch": 1783452058.092395,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 843,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:20:59.320",
    "epoch": 1783452059.3200874,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 830,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:00.163",
    "epoch": 1783452060.1634097,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 838,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:21:01.162",
    "epoch": 1783452061.1627944,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 838,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:02.221",
    "epoch": 1783452062.2217298,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 839,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:03.233",
    "epoch": 1783452063.2332587,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:04.286",
    "epoch": 1783452064.2866578,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 843,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:05.319",
    "epoch": 1783452065.3194666,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 806,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:06.354",
    "epoch": 1783452066.3540483,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 37% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 800,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:07.171",
    "epoch": 1783452067.1716912,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 39% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 809,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:08.003",
    "epoch": 1783452068.0036037,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 802,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:08.823",
    "epoch": 1783452068.8230412,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 34% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 781,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:10.652",
    "epoch": 1783452070.6527677,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:13.759",
    "epoch": 1783452073.7593348,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 822,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:15.422",
    "epoch": 1783452075.4223504,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 839,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:16.432",
    "epoch": 1783452076.4329803,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 798,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:17.263",
    "epoch": 1783452077.263594,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:18.314",
    "epoch": 1783452078.3141665,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 872,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:19.324",
    "epoch": 1783452079.324609,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 990,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:21.191",
    "epoch": 1783452081.1919756,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 873,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:22.845",
    "epoch": 1783452082.8453135,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 843,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:23.862",
    "epoch": 1783452083.8628263,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 856,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:24.923",
    "epoch": 1783452084.9236555,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:25.973",
    "epoch": 1783452085.9737375,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 77px left over 3s and apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 836,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:26.981",
    "epoch": 1783452086.9819891,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:27.993",
    "epoch": 1783452087.9931793,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 900,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:29.045",
    "epoch": 1783452089.0460045,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px left over 3s and apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 888,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:30.055",
    "epoch": 1783452090.0553985,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 93px left over 3s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 842,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:31.114",
    "epoch": 1783452091.1147933,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 848,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:32.122",
    "epoch": 1783452092.1226752,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 130px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 792,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:32.941",
    "epoch": 1783452092.9419825,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 108px right over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 824,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:34.004",
    "epoch": 1783452094.0042226,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 836,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:35.011",
    "epoch": 1783452095.0119128,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 833,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:36.062",
    "epoch": 1783452096.0628548,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:39.774",
    "epoch": 1783452099.774088,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 840,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:40.782",
    "epoch": 1783452100.7826645,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 869,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:41.844",
    "epoch": 1783452101.8440766,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:42.855",
    "epoch": 1783452102.8550413,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 890,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:43.906",
    "epoch": 1783452103.9066544,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 855,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:44.911",
    "epoch": 1783452104.9118352,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 96px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 801,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:45.776",
    "epoch": 1783452105.776733,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 79px right over 3s and apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 790,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:46.959",
    "epoch": 1783452106.9596322,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 76px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 787,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:47.804",
    "epoch": 1783452107.8042808,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 79px left over 3s and apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 786,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:48.623",
    "epoch": 1783452108.623442,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 116px left over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 5,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1194,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:49.897",
    "epoch": 1783452109.8973465,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 109px left over 3s and apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 833,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:51.089",
    "epoch": 1783452111.0900116,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 896,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:52.165",
    "epoch": 1783452112.1653137,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 892,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:53.164",
    "epoch": 1783452113.1645665,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 871,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:54.221",
    "epoch": 1783452114.2218893,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 835,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:55.261",
    "epoch": 1783452115.261672,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 837,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:56.284",
    "epoch": 1783452116.284951,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 65px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 834,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:21:57.292",
    "epoch": 1783452117.2922463,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 80px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 819,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:21:58.550",
    "epoch": 1783452118.5500593,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 825,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:22:00.171",
    "epoch": 1783452120.171299,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 887,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:01.409",
    "epoch": 1783452121.4094281,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 892,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:02.477",
    "epoch": 1783452122.4773343,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 888,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:22:03.581",
    "epoch": 1783452123.5813239,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 859,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:04.709",
    "epoch": 1783452124.7094958,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 823,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:09.482",
    "epoch": 1783452129.4822419,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 885,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:10.504",
    "epoch": 1783452130.5048573,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 912,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:11.555",
    "epoch": 1783452131.5556793,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 943,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:12.778",
    "epoch": 1783452132.7783184,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 932,
    "applied_label": "trying_to_sit",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:13.801",
    "epoch": 1783452133.8010478,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 815,
    "applied_label": "standing",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 19:22:18.739",
    "epoch": 1783452138.7392642,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 816,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:19.607",
    "epoch": 1783452139.6076107,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 846,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:20.631",
    "epoch": 1783452140.6316805,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:22.689",
    "epoch": 1783452142.6893885,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 800,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:23.524",
    "epoch": 1783452143.5243664,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 903,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:24.533",
    "epoch": 1783452144.5335207,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 871,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:25.580",
    "epoch": 1783452145.580821,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 833,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:22:32.180",
    "epoch": 1783452152.180912,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 909,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:33.201",
    "epoch": 1783452153.201213,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 919,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:34.252",
    "epoch": 1783452154.252157,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 924,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:22:35.261",
    "epoch": 1783452155.2617981,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 134px right over 3s and apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 843,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:22:36.327",
    "epoch": 1783452156.327346,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 143px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 895,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:22:37.324",
    "epoch": 1783452157.3242154,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 111px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:22:38.394",
    "epoch": 1783452158.3942745,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 868,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:22:39.403",
    "epoch": 1783452159.403772,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 103px left over 3s and apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 5,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1330,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:22:40.866",
    "epoch": 1783452160.86605,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 126px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 913,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:22:41.865",
    "epoch": 1783452161.866008,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 896,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:22:42.923",
    "epoch": 1783452162.923726,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 890,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:22:43.944",
    "epoch": 1783452163.9441183,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 884,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:44.994",
    "epoch": 1783452164.9941003,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:45.994",
    "epoch": 1783452165.994282,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 912,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:47.057",
    "epoch": 1783452167.0570753,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 855,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:22:48.063",
    "epoch": 1783452168.0630522,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 116px right over 2s and apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 873,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:22:49.123",
    "epoch": 1783452169.1238148,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 120px right over 2s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 896,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:22:50.135",
    "epoch": 1783452170.1351755,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 40px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 929,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:22:51.177",
    "epoch": 1783452171.1771727,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px left over 3s and apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 889,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:27:17.529",
    "epoch": 1783452437.529151,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 892,
    "applied_label": "trying_to_stand",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:27:19.179",
    "epoch": 1783452439.1799629,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:27:20.252",
    "epoch": 1783452440.2527602,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 122px right over 1s and apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 839,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:27:21.262",
    "epoch": 1783452441.2626605,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 265px right over 2s and apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 834,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:28:34.108",
    "epoch": 1783452514.1085818,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 887,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:28:35.131",
    "epoch": 1783452515.1313953,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 860,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:30:13.159",
    "epoch": 1783452613.1592932,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 855,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:30:32.330",
    "epoch": 1783452632.3308778,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"standing\"}]} ```",
    "latency_ms": 836,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:30:33.393",
    "epoch": 1783452633.3937025,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 120px left over 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:30:34.403",
    "epoch": 1783452634.4034345,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px left over 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"walking\"}]} ```",
    "latency_ms": 821,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:30:35.452",
    "epoch": 1783452635.4524775,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 2s and apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:30:36.464",
    "epoch": 1783452636.46461,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 923,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:30:37.525",
    "epoch": 1783452637.5258965,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 109px right over 3s and apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"walking\"}]} ```",
    "latency_ms": 842,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:30:48.650",
    "epoch": 1783452648.650056,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 70px left over 1s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:30:49.674",
    "epoch": 1783452649.6749363,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 149px left over 2s and apparent size shrank 38% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1221,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:30:50.927",
    "epoch": 1783452650.9272547,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 162px left over 3s and apparent size shrank 36% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 840,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:30:51.962",
    "epoch": 1783452651.9629276,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 106px left over 3s and apparent size shrank 48% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 837,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:31:45.371",
    "epoch": 1783452705.3719916,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 860,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:31:46.443",
    "epoch": 1783452706.4438365,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 35% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 817,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:31:47.451",
    "epoch": 1783452707.4518008,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 992,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:31:48.502",
    "epoch": 1783452708.502571,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 946,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:31:49.513",
    "epoch": 1783452709.5130308,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 961,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 19:31:50.574",
    "epoch": 1783452710.5745456,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 967,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-07 19:33:36.619",
    "epoch": 1783452816.6196396,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 878,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:34:05.101",
    "epoch": 1783452845.1012142,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 56px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 864,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:34:06.112",
    "epoch": 1783452846.1128101,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 56px left over 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 827,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:34:07.172",
    "epoch": 1783452847.1720612,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 56px left over 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 835,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:36:34.900",
    "epoch": 1783452994.9005315,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 896,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:36:35.922",
    "epoch": 1783452995.9222465,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 856,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:36:37.149",
    "epoch": 1783452997.1493046,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 867,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:38:46.140",
    "epoch": 1783453126.1405091,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 853,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:38:47.163",
    "epoch": 1783453127.1637104,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 892,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-07 19:38:48.213",
    "epoch": 1783453128.213576,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 896,
    "applied_label": "trying_to_stand",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:38:49.287",
    "epoch": 1783453129.2880008,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 824,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:38:50.282",
    "epoch": 1783453130.2825553,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 840,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:38:51.920",
    "epoch": 1783453131.9202602,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:38:52.942",
    "epoch": 1783453132.942366,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:38:53.993",
    "epoch": 1783453133.9931943,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 957,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:38:55.004",
    "epoch": 1783453135.004422,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 95px right over 3s and apparent size grew 54% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 835,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:38:56.459",
    "epoch": 1783453136.4591424,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 868,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:38:57.485",
    "epoch": 1783453137.4852817,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 843,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:38:58.939",
    "epoch": 1783453138.9397876,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 840,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:38:59.953",
    "epoch": 1783453139.9537022,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 838,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:39:01.013",
    "epoch": 1783453141.0130224,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 841,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:39:02.023",
    "epoch": 1783453142.023127,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 840,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:39:05.719",
    "epoch": 1783453145.7197177,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 824,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:39:06.781",
    "epoch": 1783453146.7819154,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 873,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:39:07.793",
    "epoch": 1783453147.7936785,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 963,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:39:08.854",
    "epoch": 1783453148.8547971,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 946,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:39:09.867",
    "epoch": 1783453149.8674808,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 967,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:39:10.916",
    "epoch": 1783453150.9162104,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 950,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:39:11.924",
    "epoch": 1783453151.9242513,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px left over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 820,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-07 19:39:12.983",
    "epoch": 1783453152.9831004,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 45px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 836,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-07 19:39:13.983",
    "epoch": 1783453153.9832938,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 816,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:39:14.816",
    "epoch": 1783453154.8160267,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 815,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:39:15.877",
    "epoch": 1783453155.8773587,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 835,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:39:16.871",
    "epoch": 1783453156.871683,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px right over 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 826,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:39:17.936",
    "epoch": 1783453157.936248,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 831,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:39:18.950",
    "epoch": 1783453158.95079,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 31% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 824,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:39:19.995",
    "epoch": 1783453159.9951506,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 135px left over 3s and apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 829,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:39:21.006",
    "epoch": 1783453161.0060496,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 928,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:39:22.067",
    "epoch": 1783453162.0670736,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 81px right over 3s and apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 820,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:39:23.064",
    "epoch": 1783453163.0649292,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 87px right over 3s and apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 832,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:39:24.125",
    "epoch": 1783453164.125126,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 883,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-07 19:39:31.134",
    "epoch": 1783453171.134469,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 75px left over 1s and apparent size grew 40% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 893,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:39:32.147",
    "epoch": 1783453172.1477907,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 153px left over 2s and apparent size grew 50% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:39:33.203",
    "epoch": 1783453173.2036405,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 210px left over 3s and apparent size grew 73% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 872,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:39:34.216",
    "epoch": 1783453174.216994,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px left over 3s and apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 872,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-07 19:39:35.265",
    "epoch": 1783453175.2658823,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 875,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:43:08.602",
    "epoch": 1783532588.6024005,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 848,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 17:43:09.635",
    "epoch": 1783532589.6355093,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 858,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:43:21.416",
    "epoch": 1783532601.416542,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 871,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 17:43:22.649",
    "epoch": 1783532602.649094,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 888,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:43:23.659",
    "epoch": 1783532603.6590507,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:43:24.717",
    "epoch": 1783532604.7174795,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:43:25.715",
    "epoch": 1783532605.7157755,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 935,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:12.575",
    "epoch": 1783532652.5756218,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 882,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 17:44:13.601",
    "epoch": 1783532653.601351,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 880,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 17:44:14.649",
    "epoch": 1783532654.6495335,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:15.657",
    "epoch": 1783532655.6575272,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 57px left over 2s and apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1289,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:17.129",
    "epoch": 1783532657.1290393,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 227px left over 3s and apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 842,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:18.138",
    "epoch": 1783532658.138751,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 162px left over 3s and apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 890,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:19.190",
    "epoch": 1783532659.1900535,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 86px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:20.197",
    "epoch": 1783532660.19781,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 927,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 17:44:21.253",
    "epoch": 1783532661.253494,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 900,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:22.278",
    "epoch": 1783532662.2785895,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 928,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:23.320",
    "epoch": 1783532663.3205833,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 855,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:24.312",
    "epoch": 1783532664.3123915,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 942,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:25.381",
    "epoch": 1783532665.3814924,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 913,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:26.836",
    "epoch": 1783532666.8366907,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 17:44:27.868",
    "epoch": 1783532667.868212,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:28.870",
    "epoch": 1783532668.8709955,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 17:44:29.928",
    "epoch": 1783532669.928052,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 17:44:30.934",
    "epoch": 1783532670.934131,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 951,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:32.156",
    "epoch": 1783532672.1566138,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 856,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:33.182",
    "epoch": 1783532673.1828878,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 946,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:34.232",
    "epoch": 1783532674.232143,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 873,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:35.279",
    "epoch": 1783532675.279971,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 865,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:36.300",
    "epoch": 1783532676.3001428,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 985,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:37.347",
    "epoch": 1783532677.3470976,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:38.359",
    "epoch": 1783532678.359321,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 954,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:39.410",
    "epoch": 1783532679.410741,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 920,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:40.422",
    "epoch": 1783532680.4223669,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 926,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:41.480",
    "epoch": 1783532681.4802473,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 924,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:44:42.490",
    "epoch": 1783532682.4903827,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:44:43.546",
    "epoch": 1783532683.5465894,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px left over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 896,
    "applied_label": "fall_candidate",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:44:44.550",
    "epoch": 1783532684.5503538,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 838,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:44:45.599",
    "epoch": 1783532685.599947,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:46.614",
    "epoch": 1783532686.6145837,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 944,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:47.672",
    "epoch": 1783532687.6725264,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 851,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:48.715",
    "epoch": 1783532688.715906,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 842,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:44:49.731",
    "epoch": 1783532689.7320058,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 843,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:44:50.750",
    "epoch": 1783532690.75028,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 867,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:51.967",
    "epoch": 1783532691.9675014,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 871,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:53.028",
    "epoch": 1783532693.0289826,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 861,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:54.041",
    "epoch": 1783532694.041964,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 873,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:55.101",
    "epoch": 1783532695.1011257,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 873,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:56.111",
    "epoch": 1783532696.1115546,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 963,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:57.170",
    "epoch": 1783532697.170544,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 943,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:58.391",
    "epoch": 1783532698.391693,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:44:59.406",
    "epoch": 1783532699.406426,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:45:01.049",
    "epoch": 1783532701.0490563,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 917,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:45:02.118",
    "epoch": 1783532702.1182976,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 934,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:45:03.336",
    "epoch": 1783532703.3365474,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:45:04.982",
    "epoch": 1783532704.9827216,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 860,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:45:06.837",
    "epoch": 1783532706.8370569,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 835,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:45:08.701",
    "epoch": 1783532708.7013679,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 854,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:45:09.724",
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  {
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "movement_context": "Person moved 151px left over 3s.",
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    "camera_id": "213",
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    "movement_context": "Person has NOT changed position over the last 1s.",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 1s.",
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  {
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
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    "vlm_label": "standing",
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  {
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
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  {
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 56px right over 1s.",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 855,
    "applied_label": "walking",
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  },
  {
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    "epoch": 1783532815.195955,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
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  {
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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  {
    "timestamp": "2026-07-08 17:46:57.246",
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 81px left over 3s and apparent size shrank 26% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
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  {
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 3s and apparent size shrank 14% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
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  {
    "timestamp": "2026-07-08 17:47:00.140",
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
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  {
    "timestamp": "2026-07-08 17:47:02.195",
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
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  {
    "timestamp": "2026-07-08 17:47:03.033",
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 96px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
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  {
    "timestamp": "2026-07-08 17:47:04.042",
    "epoch": 1783532824.0420473,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 109px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 839,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:47:05.094",
    "epoch": 1783532825.0942194,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 87px left over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 829,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:47:06.104",
    "epoch": 1783532826.1045437,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 837,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:47:07.164",
    "epoch": 1783532827.1646953,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 846,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:47:08.176",
    "epoch": 1783532828.1761394,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 910,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:47:09.221",
    "epoch": 1783532829.2216423,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:47:10.228",
    "epoch": 1783532830.2289264,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 843,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:47:11.293",
    "epoch": 1783532831.2932682,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 104px left over 3s and apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:47:12.292",
    "epoch": 1783532832.292621,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 94px left over 3s and apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:47:13.358",
    "epoch": 1783532833.3587797,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 872,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:47:14.377",
    "epoch": 1783532834.3772497,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 63px right over 3s and apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 829,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:47:15.413",
    "epoch": 1783532835.413766,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 870,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:47:16.422",
    "epoch": 1783532836.42287,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 108px left over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 848,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:47:19.136",
    "epoch": 1783532839.136607,
    "track_id": 2,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 943,
    "applied_label": "trying_to_stand",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 17:47:19.429",
    "epoch": 1783532839.4292526,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 853,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 17:47:20.379",
    "epoch": 1783532840.3794763,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 858,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:47:21.486",
    "epoch": 1783532841.4867754,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 853,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:47:22.443",
    "epoch": 1783532842.4435344,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px right over 3s and apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1230,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:47:23.697",
    "epoch": 1783532843.6978316,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 830,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:47:24.680",
    "epoch": 1783532844.6803696,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 836,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:47:25.736",
    "epoch": 1783532845.7362862,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 838,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:47:26.744",
    "epoch": 1783532846.7445812,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 837,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:47:27.611",
    "epoch": 1783532847.6113322,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 924,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:47:28.620",
    "epoch": 1783532848.620723,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 92px left over 3s and apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 816,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 17:47:29.647",
    "epoch": 1783532849.6471648,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px left over 3s and apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 829,
    "applied_label": "walking",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 17:47:30.680",
    "epoch": 1783532850.6809502,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 838,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:47:31.695",
    "epoch": 1783532851.6952477,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 74px right over 3s and apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 835,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:47:32.582",
    "epoch": 1783532852.582458,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 69px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 834,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:47:33.569",
    "epoch": 1783532853.5698926,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 879,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:47:34.572",
    "epoch": 1783532854.5727248,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:47:35.627",
    "epoch": 1783532855.6278465,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:47:36.643",
    "epoch": 1783532856.6437104,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 46px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 827,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:47:37.892",
    "epoch": 1783532857.8923194,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 863,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:47:38.939",
    "epoch": 1783532858.9393022,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:47:39.949",
    "epoch": 1783532859.9495335,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 870,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:47:41.044",
    "epoch": 1783532861.044114,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 836,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:47:42.228",
    "epoch": 1783532862.2289753,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 811,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:47:43.065",
    "epoch": 1783532863.0659294,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 887,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:47:44.073",
    "epoch": 1783532864.0734642,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:47:46.112",
    "epoch": 1783532866.1123843,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 864,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:49:32.427",
    "epoch": 1783532972.4272685,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 138px left over 3s and apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 861,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:49:33.436",
    "epoch": 1783532973.4365256,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 111px left over 3s and apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 859,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:49:34.487",
    "epoch": 1783532974.487693,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 92px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 845,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:49:35.495",
    "epoch": 1783532975.495844,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 48px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 887,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:49:37.147",
    "epoch": 1783532977.1474624,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 912,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:49:38.391",
    "epoch": 1783532978.3911307,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:50:04.598",
    "epoch": 1783533004.5983465,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 881,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:50:05.626",
    "epoch": 1783533005.626666,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 940,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:50:06.677",
    "epoch": 1783533006.6770742,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 919,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:50:08.077",
    "epoch": 1783533008.0773947,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 835,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:50:09.551",
    "epoch": 1783533009.5515,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:50:10.616",
    "epoch": 1783533010.6162431,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 930,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:50:11.626",
    "epoch": 1783533011.6264558,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 917,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:50:13.257",
    "epoch": 1783533013.2570484,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 817,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:50:14.105",
    "epoch": 1783533014.1059954,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 874,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:50:15.116",
    "epoch": 1783533015.1163874,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:50:16.171",
    "epoch": 1783533016.1714318,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:50:17.176",
    "epoch": 1783533017.1767623,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 122px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 832,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:50:18.237",
    "epoch": 1783533018.2379835,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 167px right over 3s and apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 874,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:50:19.247",
    "epoch": 1783533019.2478015,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 183px right over 3s and apparent size grew 48% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:50:20.315",
    "epoch": 1783533020.31513,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 142px right over 3s and apparent size grew 42% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 813,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:50:21.317",
    "epoch": 1783533021.3178937,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 71px right over 3s and apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:50:22.362",
    "epoch": 1783533022.3627417,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 873,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:50:23.368",
    "epoch": 1783533023.3684113,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 904,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:50:24.447",
    "epoch": 1783533024.4473271,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:50:25.639",
    "epoch": 1783533025.6394954,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 937,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:50:26.670",
    "epoch": 1783533026.6710098,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 48% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 873,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:50:27.777",
    "epoch": 1783533027.777468,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 48% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 868,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:50:28.988",
    "epoch": 1783533028.9887774,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 909,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:50:29.973",
    "epoch": 1783533029.9730213,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px left over 3s and apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 868,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:50:31.040",
    "epoch": 1783533031.040826,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 93px left over 3s and apparent size shrank 48% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 913,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:50:32.065",
    "epoch": 1783533032.0659862,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 84px left over 3s and apparent size shrank 32% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 884,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:50:33.091",
    "epoch": 1783533033.0917168,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 79px left over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 857,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:50:34.101",
    "epoch": 1783533034.101894,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 57px left over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 907,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:50:35.567",
    "epoch": 1783533035.5675042,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 903,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:50:36.579",
    "epoch": 1783533036.579028,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px left over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 843,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:50:37.629",
    "epoch": 1783533037.6292717,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 72px left over 3s and apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 816,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:50:39.679",
    "epoch": 1783533039.679717,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 864,
    "applied_label": "standing",
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    "request_type": "multi_classify",
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    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "movement_context": "Person moved 52px right over 3s and apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "timestamp": "2026-07-08 17:50:42.770",
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    "track_id": 1,
    "request_type": "multi_classify",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 890,
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    "previous_label": "walking"
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    "track_id": 1,
    "request_type": "multi_classify",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1229,
    "applied_label": "walking",
    "previous_label": "walking"
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    "timestamp": "2026-07-08 17:50:45.248",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-08 17:50:46.314",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 67px right over 3s and apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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  {
    "timestamp": "2026-07-08 17:50:47.306",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 68px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "timestamp": "2026-07-08 17:50:48.370",
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    "track_id": 1,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
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  },
  {
    "timestamp": "2026-07-08 17:50:49.410",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-08 17:50:50.431",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-08 17:50:51.837",
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    "track_id": 1,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 823,
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    "previous_label": "standing"
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    "timestamp": "2026-07-08 17:50:53.290",
    "epoch": 1783533053.2905822,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 859,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-08 17:50:54.318",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 852,
    "applied_label": "standing",
    "previous_label": "standing"
  },
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    "timestamp": "2026-07-08 17:50:55.378",
    "epoch": 1783533055.378814,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 890,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-08 17:50:56.599",
    "epoch": 1783533056.599953,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 885,
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    "previous_label": "standing"
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  {
    "timestamp": "2026-07-08 17:50:57.630",
    "epoch": 1783533057.6304433,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 884,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-08 17:50:58.682",
    "epoch": 1783533058.6827707,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 892,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:00.082",
    "epoch": 1783533060.0823858,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
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    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1010,
    "applied_label": "trying_to_sit",
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    "timestamp": "2026-07-08 17:51:01.159",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
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    "timestamp": "2026-07-08 17:51:02.168",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 826,
    "applied_label": "standing",
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    "timestamp": "2026-07-08 17:51:03.236",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 835,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-08 17:51:04.440",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 829,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-08 17:51:05.467",
    "epoch": 1783533065.4674368,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 848,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-08 17:51:06.521",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-08 17:51:07.537",
    "epoch": 1783533067.5373676,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 926,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-08 17:51:08.588",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 835,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:09.989",
    "epoch": 1783533069.9890668,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 852,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:11.061",
    "epoch": 1783533071.0612469,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:12.076",
    "epoch": 1783533072.0763357,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:13.119",
    "epoch": 1783533073.1195824,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 838,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:14.177",
    "epoch": 1783533074.1779027,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 819,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:15.196",
    "epoch": 1783533075.196352,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 869,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:16.205",
    "epoch": 1783533076.2057037,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 937,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
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    "timestamp": "2026-07-08 17:51:17.251",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 859,
    "applied_label": "standing",
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    "timestamp": "2026-07-08 17:51:18.258",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 831,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-08 17:51:19.320",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-08 17:51:20.717",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-08 17:51:21.790",
    "epoch": 1783533081.7903826,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 835,
    "applied_label": "standing",
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    "timestamp": "2026-07-08 17:51:22.848",
    "epoch": 1783533082.8484561,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-08 17:51:23.861",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 848,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:25.068",
    "epoch": 1783533085.068457,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:26.097",
    "epoch": 1783533086.0973103,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 48px right over 3s and apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1232,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:27.566",
    "epoch": 1783533087.566383,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 825,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:51:28.587",
    "epoch": 1783533088.5873234,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 816,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:30.248",
    "epoch": 1783533090.248135,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 825,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:31.288",
    "epoch": 1783533091.2882767,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 828,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:33.506",
    "epoch": 1783533093.5063467,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 839,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:34.590",
    "epoch": 1783533094.5907183,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 809,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:35.586",
    "epoch": 1783533095.5867443,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1270,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:37.056",
    "epoch": 1783533097.0562036,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 864,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:51:38.066",
    "epoch": 1783533098.066402,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1256,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:51:39.738",
    "epoch": 1783533099.7386572,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 864,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:41.177",
    "epoch": 1783533101.177052,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 841,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:42.408",
    "epoch": 1783533102.4083323,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:43.477",
    "epoch": 1783533103.477217,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 842,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:44.487",
    "epoch": 1783533104.4877746,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 827,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:47.903",
    "epoch": 1783533107.903042,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 824,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:48.847",
    "epoch": 1783533108.8478162,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 823,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:49.859",
    "epoch": 1783533109.8596778,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 915,
    "applied_label": "trying_to_sit",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:50.857",
    "epoch": 1783533110.8570883,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 978,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 17:51:51.922",
    "epoch": 1783533111.9228768,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 910,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 17:51:52.930",
    "epoch": 1783533112.9304442,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 836,
    "applied_label": "standing",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 17:51:54.150",
    "epoch": 1783533114.150137,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 883,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:55.231",
    "epoch": 1783533115.2310684,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 864,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:56.255",
    "epoch": 1783533116.255248,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 961,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:51:57.298",
    "epoch": 1783533117.298205,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 895,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:51:58.290",
    "epoch": 1783533118.290885,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px left over 3s and apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 841,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:51:59.348",
    "epoch": 1783533119.3481266,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 98px left over 3s and apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:52:00.364",
    "epoch": 1783533120.3642385,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 94px left over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 842,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:52:01.408",
    "epoch": 1783533121.4088707,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 962,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:52:09.236",
    "epoch": 1783533129.2364535,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"lying_in_bed\"     }   ] } ```",
    "latency_ms": 1490,
    "applied_label": "fall_candidate",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 17:52:13.544",
    "epoch": 1783533133.5447662,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 890,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:14.616",
    "epoch": 1783533134.6163871,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 235,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:15.607",
    "epoch": 1783533135.6078694,
    "track_id": 1,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 956,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:15.629",
    "epoch": 1783533135.6298232,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 879,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:16.679",
    "epoch": 1783533136.6790912,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 906,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:17.687",
    "epoch": 1783533137.6875226,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 872,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:18.746",
    "epoch": 1783533138.7468665,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 888,
    "applied_label": "trying_to_stand",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:19.982",
    "epoch": 1783533139.9826145,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 25% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 856,
    "applied_label": "fall_candidate",
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  {
    "timestamp": "2026-07-08 17:52:20.991",
    "epoch": 1783533140.9911063,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 861,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 17:52:22.057",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 864,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 17:52:23.051",
    "epoch": 1783533143.051517,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 859,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 17:52:24.111",
    "epoch": 1783533144.1117146,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 882,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:25.120",
    "epoch": 1783533145.1200256,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 887,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:26.180",
    "epoch": 1783533146.180183,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 885,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:27.186",
    "epoch": 1783533147.1860764,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 895,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:28.243",
    "epoch": 1783533148.2435913,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 890,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:29.456",
    "epoch": 1783533149.4564826,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 901,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 17:52:30.494",
    "epoch": 1783533150.4943929,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 906,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:31.544",
    "epoch": 1783533151.5446,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 912,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:32.546",
    "epoch": 1783533152.5467336,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 886,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:33.605",
    "epoch": 1783533153.6051965,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 876,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:34.621",
    "epoch": 1783533154.621388,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 874,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:35.657",
    "epoch": 1783533155.6573813,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 840,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:38.307",
    "epoch": 1783533158.3073864,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 873,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:39.382",
    "epoch": 1783533159.382283,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 882,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:40.603",
    "epoch": 1783533160.6039143,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 903,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:41.627",
    "epoch": 1783533161.627965,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 873,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:42.684",
    "epoch": 1783533162.6844156,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 891,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:43.829",
    "epoch": 1783533163.8298876,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 901,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:44.937",
    "epoch": 1783533164.9371564,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 859,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:45.985",
    "epoch": 1783533165.9853005,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 884,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:46.991",
    "epoch": 1783533166.9913762,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 40% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 902,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:52:51.099",
    "epoch": 1783533171.0993981,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 897,
    "applied_label": "trying_to_stand",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 17:52:52.177",
    "epoch": 1783533172.1775901,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 881,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:52:53.178",
    "epoch": 1783533173.1789913,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 922,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:52:54.813",
    "epoch": 1783533174.8132756,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px right over 3s and apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 849,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:52:55.897",
    "epoch": 1783533175.8973749,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 906,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:52:56.907",
    "epoch": 1783533176.9079158,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 65px right over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 842,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:52:57.953",
    "epoch": 1783533177.9533515,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 827,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:52:59.990",
    "epoch": 1783533179.9905202,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:53:01.022",
    "epoch": 1783533181.0225692,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 843,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:53:02.644",
    "epoch": 1783533182.6442697,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 942,
    "applied_label": "trying_to_sit",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:53:03.917",
    "epoch": 1783533183.917748,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 968,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 17:53:17.970",
    "epoch": 1783533197.970085,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 935,
    "applied_label": "fall_candidate",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 17:53:19.002",
    "epoch": 1783533199.0024104,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 936,
    "applied_label": "trying_to_stand",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:53:33.606",
    "epoch": 1783533213.6069787,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 914,
    "applied_label": "fall_candidate",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 17:53:36.311",
    "epoch": 1783533216.3111322,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 913,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:53:39.386",
    "epoch": 1783533219.386684,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 863,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:53:43.742",
    "epoch": 1783533223.7427022,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 266,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:53:45.406",
    "epoch": 1783533225.406827,
    "track_id": 1,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 972,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:53:45.568",
    "epoch": 1783533225.568682,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 878,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:53:50.532",
    "epoch": 1783533230.5321367,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 900,
    "applied_label": "trying_to_stand",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 17:53:51.609",
    "epoch": 1783533231.6093602,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 863,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:53:52.610",
    "epoch": 1783533232.6105509,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 46px right over 3s and apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 826,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:53:53.662",
    "epoch": 1783533233.6623352,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 863,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:53:54.676",
    "epoch": 1783533234.6768138,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:53:55.733",
    "epoch": 1783533235.7330258,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 871,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:53:56.952",
    "epoch": 1783533236.9525092,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 884,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:53:57.978",
    "epoch": 1783533237.9786787,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 859,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:53:59.195",
    "epoch": 1783533239.1956136,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 866,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:54:00.276",
    "epoch": 1783533240.2766833,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 874,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 17:54:01.288",
    "epoch": 1783533241.288643,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 927,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 17:54:02.336",
    "epoch": 1783533242.3366282,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 17:54:03.386",
    "epoch": 1783533243.3867505,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 901,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:54:04.792",
    "epoch": 1783533244.7922611,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 907,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:54:05.819",
    "epoch": 1783533245.819455,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 868,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:54:06.879",
    "epoch": 1783533246.879061,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:54:07.885",
    "epoch": 1783533247.8850846,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 913,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:54:10.160",
    "epoch": 1783533250.160285,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 140px left over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 890,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:54:11.189",
    "epoch": 1783533251.1896117,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 60px left over 3s and apparent size grew 21% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1314,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 17:54:12.652",
    "epoch": 1783533252.6528583,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 169px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:54:13.660",
    "epoch": 1783533253.6609526,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 309px right over 3s and apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 820,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:54:14.707",
    "epoch": 1783533254.7072246,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 335px right over 3s and apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 813,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:54:45.228",
    "epoch": 1783533285.22827,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 932,
    "applied_label": "trying_to_stand",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 17:54:46.258",
    "epoch": 1783533286.2589037,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 120px left over 2s and apparent size shrank 33% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 818,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:54:47.309",
    "epoch": 1783533287.3099272,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 149px left over 3s and apparent size shrank 52% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 831,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 17:54:48.318",
    "epoch": 1783533288.318605,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 154px left over 3s and apparent size shrank 68% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 837,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 17:55:24.215",
    "epoch": 1783533324.215371,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px left over 1s and apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1287,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 17:55:26.679",
    "epoch": 1783533326.6796927,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 873,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 17:55:27.760",
    "epoch": 1783533327.7605562,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 87px right over 2s and apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 863,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 17:55:28.769",
    "epoch": 1783533328.769746,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 211px right over 3s and apparent size grew 62% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 866,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 18:06:41.866",
    "epoch": 1783534001.8668585,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 880,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 18:06:42.929",
    "epoch": 1783534002.9298594,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 860,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 18:06:43.939",
    "epoch": 1783534003.9392662,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 132px right over 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 840,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 18:06:45.026",
    "epoch": 1783534005.0264573,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 262px right over 2s and apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 840,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:16:36.781",
    "epoch": 1783534596.7810695,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 99px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 824,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 18:16:37.638",
    "epoch": 1783534597.638544,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 134px left over 1s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 827,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:16:38.637",
    "epoch": 1783534598.63722,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 277px left over 2s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 827,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:16:39.705",
    "epoch": 1783534599.705502,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 315px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 833,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:16:40.698",
    "epoch": 1783534600.698609,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 191px left over 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 834,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:16:41.759",
    "epoch": 1783534601.759048,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 946,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:26:48.996",
    "epoch": 1783535208.9967985,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 892,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 18:26:50.095",
    "epoch": 1783535210.0959551,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:26:51.080",
    "epoch": 1783535211.0802703,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 270px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 873,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:26:52.137",
    "epoch": 1783535212.1378307,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 88px left over 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 859,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:26:53.148",
    "epoch": 1783535213.1488645,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 846,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:26:54.208",
    "epoch": 1783535214.2081335,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 932,
    "applied_label": "trying_to_stand",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:26:55.209",
    "epoch": 1783535215.2096918,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 844,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 18:26:56.260",
    "epoch": 1783535216.2601817,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 144px left over 3s and apparent size shrank 34% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 829,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 18:26:57.274",
    "epoch": 1783535217.2748835,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 98px left over 3s and apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 836,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:26:58.322",
    "epoch": 1783535218.322053,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 828,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:27:02.017",
    "epoch": 1783535222.017763,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:27:03.049",
    "epoch": 1783535223.0494173,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 118px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 841,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 18:27:04.106",
    "epoch": 1783535224.106164,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 83px left over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 827,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:27:05.108",
    "epoch": 1783535225.108343,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 916,
    "applied_label": "trying_to_stand",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 18:45:37.717",
    "epoch": 1783536337.7178938,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 18:45:38.797",
    "epoch": 1783536338.7978678,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 910,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:45:39.809",
    "epoch": 1783536339.809438,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 938,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 18:45:40.858",
    "epoch": 1783536340.8589807,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 115px right over 3s and apparent size grew 77% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 834,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 18:46:08.489",
    "epoch": 1783536368.4897523,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 896,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 18:46:09.530",
    "epoch": 1783536369.530935,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 63px right over 1s and apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 830,
    "applied_label": "walking",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 18:46:10.578",
    "epoch": 1783536370.5787175,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px right over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 833,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:46:20.885",
    "epoch": 1783536380.8857164,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 18:47:32.867",
    "epoch": 1783536452.867986,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 853,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 18:47:45.239",
    "epoch": 1783536465.23953,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 888,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:00.508",
    "epoch": 1783536480.5085638,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 873,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:01.589",
    "epoch": 1783536481.5892143,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 853,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:02.608",
    "epoch": 1783536482.6087525,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 879,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:03.667",
    "epoch": 1783536483.6675265,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 913,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:04.660",
    "epoch": 1783536484.6604745,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 127px left over 3s and apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 841,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 18:48:05.728",
    "epoch": 1783536485.728074,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 211px left over 3s and apparent size shrank 25% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 836,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 18:48:06.730",
    "epoch": 1783536486.730619,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 186px left over 3s and apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 840,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:48:07.784",
    "epoch": 1783536487.7846727,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 95px left over 3s and apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 881,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:48:08.793",
    "epoch": 1783536488.793947,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 951,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:48:09.839",
    "epoch": 1783536489.8392973,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 946,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 18:48:10.849",
    "epoch": 1783536490.8494663,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 49% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 871,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 18:48:11.910",
    "epoch": 1783536491.9108012,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 49% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 18:48:12.956",
    "epoch": 1783536492.9564688,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:13.971",
    "epoch": 1783536493.9712036,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:14.982",
    "epoch": 1783536494.9827123,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:16.033",
    "epoch": 1783536496.0334578,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 927,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:17.044",
    "epoch": 1783536497.0440357,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 921,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:18.112",
    "epoch": 1783536498.113015,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 894,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:19.310",
    "epoch": 1783536499.3103232,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 895,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:20.341",
    "epoch": 1783536500.341179,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 949,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 18:48:21.562",
    "epoch": 1783536501.5624845,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 946,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:24.270",
    "epoch": 1783536504.2700605,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:25.305",
    "epoch": 1783536505.305188,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 905,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:26.356",
    "epoch": 1783536506.3560188,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 914,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:27.372",
    "epoch": 1783536507.3722882,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 962,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:28.412",
    "epoch": 1783536508.4129808,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 874,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:29.432",
    "epoch": 1783536509.4322495,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 947,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:30.483",
    "epoch": 1783536510.4834795,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 931,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:31.542",
    "epoch": 1783536511.5428157,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 884,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:32.549",
    "epoch": 1783536512.549531,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 848,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:33.549",
    "epoch": 1783536513.5498416,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 885,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:34.609",
    "epoch": 1783536514.6096425,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 843,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:35.619",
    "epoch": 1783536515.6196694,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 908,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:36.688",
    "epoch": 1783536516.688243,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 39% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 896,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:37.681",
    "epoch": 1783536517.6816087,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 905,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:38.731",
    "epoch": 1783536518.7318988,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 46% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 900,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:40.550",
    "epoch": 1783536520.550514,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 942,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:42.200",
    "epoch": 1783536522.2006528,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 896,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:45.326",
    "epoch": 1783536525.3263674,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 908,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:47.378",
    "epoch": 1783536527.378213,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 31% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 856,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:50.459",
    "epoch": 1783536530.4592059,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 48% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 852,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:52.756",
    "epoch": 1783536532.756411,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 899,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:54.588",
    "epoch": 1783536534.588389,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 911,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:55.818",
    "epoch": 1783536535.8182726,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 895,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:57.921",
    "epoch": 1783536537.9215486,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 50% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 942,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:48:59.042",
    "epoch": 1783536539.0421665,
    "track_id": 4,
    "request_type": "multi_classify",
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    "vlm_label": "sitting",
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    "request_type": "multi_classify",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 31% (moving TOWARD camera).",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "movement_context": "Person moved 42px right over 3s and apparent size grew 42% (moving TOWARD camera).",
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    "vlm_label": "sitting",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "track_id": 9,
    "request_type": "multi_classify",
    "zone": "floor",
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    "track_id": 9,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 33% (moving AWAY from camera).",
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    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:55:58.829",
    "epoch": 1783536958.8293617,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:55:59.901",
    "epoch": 1783536959.901619,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 911,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:56:00.915",
    "epoch": 1783536960.9155617,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:56:01.982",
    "epoch": 1783536961.9821086,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 45px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:56:03.075",
    "epoch": 1783536963.0754626,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 28% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:56:04.034",
    "epoch": 1783536964.0345552,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 921,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 18:57:24.073",
    "epoch": 1783537044.0734172,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 71px left over 1s and apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"standing\"}]} ```",
    "latency_ms": 895,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 18:57:25.104",
    "epoch": 1783537045.1043582,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 71px left over 1s and apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"standing\"}]} ```",
    "latency_ms": 860,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 18:57:26.164",
    "epoch": 1783537046.164777,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 170px left over 2s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"walking\"}]} ```",
    "latency_ms": 861,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 18:57:27.173",
    "epoch": 1783537047.1739163,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 134px left over 2s and apparent size shrank 32% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"walking\"}]} ```",
    "latency_ms": 846,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:57:28.054",
    "epoch": 1783537048.0547817,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 154px left over 3s and apparent size shrank 50% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"walking\"}]} ```",
    "latency_ms": 898,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:57:29.063",
    "epoch": 1783537049.063134,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 941,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:57:30.144",
    "epoch": 1783537050.1448753,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"standing\"}]} ```",
    "latency_ms": 904,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:57:31.498",
    "epoch": 1783537051.4984248,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 951,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:57:32.535",
    "epoch": 1783537052.5350826,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 957,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:57:34.168",
    "epoch": 1783537054.1685457,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px right over 3s and apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"walking\"}]} ```",
    "latency_ms": 895,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:57:35.243",
    "epoch": 1783537055.2436244,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 124px right over 3s and apparent size grew 72% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"walking\"}]} ```",
    "latency_ms": 873,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:57:36.277",
    "epoch": 1783537056.2772198,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 219px right over 3s and apparent size grew 128% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"walking\"}]} ```",
    "latency_ms": 869,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 18:57:37.311",
    "epoch": 1783537057.3114872,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 310px right over 3s and apparent size grew 114% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"walking\"}]} ```",
    "latency_ms": 876,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:00:24.838",
    "epoch": 1783537224.8381946,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 887,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:00:25.865",
    "epoch": 1783537225.8652713,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:00:26.931",
    "epoch": 1783537226.9317863,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 71px left over 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 884,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:00:27.933",
    "epoch": 1783537227.9332488,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 96px left over 3s and apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1275,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:00:29.410",
    "epoch": 1783537229.4108763,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 90px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:00:30.404",
    "epoch": 1783537230.404118,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 83px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 814,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:00:31.251",
    "epoch": 1783537231.2519124,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"trying_to_stand\"     }   ] } ```",
    "latency_ms": 1318,
    "applied_label": "trying_to_stand",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:00:32.710",
    "epoch": 1783537232.7101789,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 52px left over 3s and apparent size shrank 43% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 821,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:00:35.347",
    "epoch": 1783537235.3478606,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 84px left over 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 884,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:00:36.579",
    "epoch": 1783537236.5791333,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 887,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:00:37.653",
    "epoch": 1783537237.6538985,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 901,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:00:38.667",
    "epoch": 1783537238.6677482,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 986,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:00:39.713",
    "epoch": 1783537239.713895,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 53px right over 3s and apparent size shrank 46% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 870,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:00:41.338",
    "epoch": 1783537241.3387666,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 899,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:00:42.373",
    "epoch": 1783537242.3735611,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 906,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:00:43.321",
    "epoch": 1783537243.3213098,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 881,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:00:44.254",
    "epoch": 1783537244.25458,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 872,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:00:45.264",
    "epoch": 1783537245.2642455,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 891,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:00:46.324",
    "epoch": 1783537246.3245084,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:00:48.539",
    "epoch": 1783537248.5399652,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 881,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:00:49.625",
    "epoch": 1783537249.625952,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 873,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:00:51.659",
    "epoch": 1783537251.6590846,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 901,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:00:52.897",
    "epoch": 1783537252.8976724,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 861,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:00:55.791",
    "epoch": 1783537255.7911642,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:00:58.259",
    "epoch": 1783537258.2592857,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 817,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:01:00.917",
    "epoch": 1783537260.9177873,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:01:02.024",
    "epoch": 1783537262.02467,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:01:03.015",
    "epoch": 1783537263.0156186,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px right over 2s and apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 840,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:01:04.066",
    "epoch": 1783537264.06646,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 53px right over 3s and apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 816,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:01:04.913",
    "epoch": 1783537264.9132886,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 876,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:01:05.907",
    "epoch": 1783537265.9072754,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 57px left over 3s and apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 894,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:01:06.953",
    "epoch": 1783537266.953836,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 44% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 872,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:01:07.965",
    "epoch": 1783537267.965583,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 34% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"trying_to_stand\"     }   ] } ```",
    "latency_ms": 1339,
    "applied_label": "trying_to_stand",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:01:09.442",
    "epoch": 1783537269.4428132,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 64px right over 3s and apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 906,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:01:10.455",
    "epoch": 1783537270.4557793,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px right over 3s and apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 844,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:01:11.495",
    "epoch": 1783537271.4956212,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 836,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:01:12.513",
    "epoch": 1783537272.513667,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 853,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:01:13.554",
    "epoch": 1783537273.5542147,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 76px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 837,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:01:14.575",
    "epoch": 1783537274.5754585,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 913,
    "applied_label": "trying_to_stand",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:01:15.624",
    "epoch": 1783537275.6244717,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 28% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:01:16.635",
    "epoch": 1783537276.6352484,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 931,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:01:17.687",
    "epoch": 1783537277.687501,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 26% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:01:19.080",
    "epoch": 1783537279.0802522,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px right over 3s and apparent size shrank 40% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1233,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:01:26.519",
    "epoch": 1783537286.5197911,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 119px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 864,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:01:27.603",
    "epoch": 1783537287.6035874,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 119px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 832,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:01:28.594",
    "epoch": 1783537288.5944438,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 153px left over 2s and apparent size shrank 31% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:01:29.654",
    "epoch": 1783537289.654092,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 887,
    "applied_label": "trying_to_stand",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:01:30.665",
    "epoch": 1783537290.6652715,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 920,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:01:31.713",
    "epoch": 1783537291.7139432,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 35% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 863,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:01:32.725",
    "epoch": 1783537292.7252064,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:01:33.782",
    "epoch": 1783537293.7823124,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 830,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:01:34.792",
    "epoch": 1783537294.7927845,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px right over 3s and apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 877,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:01:35.852",
    "epoch": 1783537295.852188,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 872,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:01:36.879",
    "epoch": 1783537296.8791218,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 867,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:01:37.904",
    "epoch": 1783537297.9044466,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 963,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:01:38.912",
    "epoch": 1783537298.912058,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 966,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:01:39.984",
    "epoch": 1783537299.9849043,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 105px right over 3s and apparent size grew 78% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 821,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:04:56.571",
    "epoch": 1783537496.5717933,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 938,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:04:57.654",
    "epoch": 1783537497.6544266,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 142px left over 2s and apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 842,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:04:58.663",
    "epoch": 1783537498.663231,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 190px left over 3s and apparent size shrank 41% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:04:59.713",
    "epoch": 1783537499.7130306,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 194px left over 3s and apparent size shrank 65% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 846,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:05:00.726",
    "epoch": 1783537500.7260425,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 123px left over 3s and apparent size shrank 41% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:05:01.789",
    "epoch": 1783537501.7897084,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:05:02.783",
    "epoch": 1783537502.7837372,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 97px right over 3s and apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 863,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:05:03.845",
    "epoch": 1783537503.8452559,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 148px right over 2s and apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 848,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:05:08.948",
    "epoch": 1783537508.948755,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 106px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 869,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:05:10.036",
    "epoch": 1783537510.0364864,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 106px left over 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 885,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:05:11.046",
    "epoch": 1783537511.046268,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 227px left over 2s and apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:05:12.096",
    "epoch": 1783537512.096636,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 121px left over 2s and apparent size shrank 49% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 880,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:05:13.310",
    "epoch": 1783537513.3108325,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 879,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:05:14.347",
    "epoch": 1783537514.3475246,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 944,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:05:15.398",
    "epoch": 1783537515.3983614,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 62px right over 3s and apparent size grew 53% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 863,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:05:16.424",
    "epoch": 1783537516.424603,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 173px right over 3s and apparent size grew 78% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 929,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:05:41.153",
    "epoch": 1783537541.1537504,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 76px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 840,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:05:42.225",
    "epoch": 1783537542.2254148,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 145px left over 2s and apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 821,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:05:43.242",
    "epoch": 1783537543.2425866,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 207px left over 3s and apparent size shrank 42% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:05:44.287",
    "epoch": 1783537544.287983,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 153px left over 3s and apparent size shrank 48% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 872,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:05:45.302",
    "epoch": 1783537545.3029594,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 3s and apparent size shrank 61% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 807,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:05:49.213",
    "epoch": 1783537549.2132232,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:05:50.817",
    "epoch": 1783537550.8177533,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:05:51.730",
    "epoch": 1783537551.7309883,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 834,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:05:53.117",
    "epoch": 1783537553.1177905,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 36% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 841,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:05:54.192",
    "epoch": 1783537554.192964,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 71% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 852,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:05:55.239",
    "epoch": 1783537555.2391665,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 102% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:05:56.255",
    "epoch": 1783537556.2552357,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 67% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:05:57.533",
    "epoch": 1783537557.5334308,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 843,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:05:58.505",
    "epoch": 1783537558.5055404,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 845,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:06:00.363",
    "epoch": 1783537560.3631563,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 930,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:06:01.398",
    "epoch": 1783537561.3985705,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 880,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:06:02.610",
    "epoch": 1783537562.6101596,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 855,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:06:03.686",
    "epoch": 1783537563.6861224,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 39% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 873,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:06:04.777",
    "epoch": 1783537564.7777956,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 39% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:06:05.744",
    "epoch": 1783537565.7449925,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 53% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:06:06.735",
    "epoch": 1783537566.7356591,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:06:07.816",
    "epoch": 1783537567.8170166,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px right over 2s and apparent size grew 44% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 939,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:06:08.827",
    "epoch": 1783537568.8278906,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 992,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:06:09.879",
    "epoch": 1783537569.87946,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 131px left over 3s and apparent size grew 57% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 828,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:06:10.883",
    "epoch": 1783537570.8834894,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 141px left over 3s and apparent size grew 38% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 909,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:06:11.945",
    "epoch": 1783537571.9455454,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 105px left over 3s and apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 829,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:06:12.954",
    "epoch": 1783537572.9550004,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 932,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:06:14.003",
    "epoch": 1783537574.0037568,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 935,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:06:15.018",
    "epoch": 1783537575.018831,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 834,
    "applied_label": "standing",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:06:16.637",
    "epoch": 1783537576.637038,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 836,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:06:22.828",
    "epoch": 1783537582.8282623,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:06:24.291",
    "epoch": 1783537584.2917953,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 871,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:06:25.530",
    "epoch": 1783537585.5304813,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 921,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:06:26.567",
    "epoch": 1783537586.5676541,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 853,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:06:28.192",
    "epoch": 1783537588.1920276,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 925,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:06:29.278",
    "epoch": 1783537589.2780797,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 52px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 991,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:06:30.519",
    "epoch": 1783537590.5193093,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 89px right over 2s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 978,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:06:31.568",
    "epoch": 1783537591.5682232,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 88px right over 2s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 898,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:06:32.586",
    "epoch": 1783537592.5863824,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 52px right over 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1009,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:06:33.828",
    "epoch": 1783537593.8283262,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 956,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:06:34.831",
    "epoch": 1783537594.8311427,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 78px right over 3s and apparent size shrank 73% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 884,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:06:35.876",
    "epoch": 1783537595.8764088,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 957,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:06:36.884",
    "epoch": 1783537596.8842523,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 85px right over 3s and apparent size shrank 33% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:06:38.340",
    "epoch": 1783537598.3401468,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 884,
    "applied_label": "sitting",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:06:39.363",
    "epoch": 1783537599.3636317,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:06:40.825",
    "epoch": 1783537600.8256044,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 901,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:06:41.834",
    "epoch": 1783537601.834511,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 901,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:06:42.900",
    "epoch": 1783537602.900041,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 893,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:06:43.895",
    "epoch": 1783537603.8953495,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 40% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 875,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:06:44.954",
    "epoch": 1783537604.9545379,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:06:46.578",
    "epoch": 1783537606.5781841,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 899,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:06:48.186",
    "epoch": 1783537608.1869352,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 970,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:06:49.267",
    "epoch": 1783537609.2674868,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 30% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 871,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:06:50.330",
    "epoch": 1783537610.330161,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 866,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:06:51.526",
    "epoch": 1783537611.5263338,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 839,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:06:52.397",
    "epoch": 1783537612.3975055,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 897,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:06:53.603",
    "epoch": 1783537613.6038742,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:06:54.637",
    "epoch": 1783537614.6373382,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 900,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:06:55.694",
    "epoch": 1783537615.6949685,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 894,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:06:56.695",
    "epoch": 1783537616.6958807,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 948,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:06:57.911",
    "epoch": 1783537617.9110947,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 21% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 884,
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 868,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:07:57.596",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-08 19:07:58.806",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 45% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-08 19:08:00.264",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "track_id": 6,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 34% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "track_id": 6,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-08 19:08:04.376",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 870,
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    "timestamp": "2026-07-08 19:08:05.997",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 41% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-08 19:08:06.902",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 31% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-08 19:08:07.916",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 868,
    "applied_label": "sitting",
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    "timestamp": "2026-07-08 19:08:08.923",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "epoch": 1783537689.9756632,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 36% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 847,
    "applied_label": "sitting",
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    "timestamp": "2026-07-08 19:08:10.976",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 886,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:08:12.038",
    "epoch": 1783537692.038578,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 867,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:08:13.052",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 900,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:08:14.097",
    "epoch": 1783537694.097937,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 904,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:08:15.544",
    "epoch": 1783537695.5445406,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 35% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 872,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:08:16.576",
    "epoch": 1783537696.5764093,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:08:17.588",
    "epoch": 1783537697.5883276,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 869,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:08:18.844",
    "epoch": 1783537698.844856,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 874,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:19.875",
    "epoch": 1783537699.8759718,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 899,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:08:20.887",
    "epoch": 1783537700.887483,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 861,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:08:21.944",
    "epoch": 1783537701.9445243,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 886,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
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  {
    "timestamp": "2026-07-08 19:08:23.471",
    "epoch": 1783537703.4714992,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 861,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:08:24.435",
    "epoch": 1783537704.4357085,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 31% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 842,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:25.473",
    "epoch": 1783537705.473105,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 860,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:08:26.476",
    "epoch": 1783537706.4764376,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 845,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:27.688",
    "epoch": 1783537707.6881797,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 862,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:28.737",
    "epoch": 1783537708.7377198,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 843,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:29.941",
    "epoch": 1783537709.942004,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 859,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:31.033",
    "epoch": 1783537711.0331502,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:32.026",
    "epoch": 1783537712.0261343,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 34% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 866,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:33.267",
    "epoch": 1783537713.2672753,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 870,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:34.316",
    "epoch": 1783537714.3169444,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 859,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:35.327",
    "epoch": 1783537715.327502,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 849,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:36.389",
    "epoch": 1783537716.3892922,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 851,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:37.502",
    "epoch": 1783537717.5024784,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 913,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:38.449",
    "epoch": 1783537718.4496548,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 961,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:39.459",
    "epoch": 1783537719.4590356,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 965,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:40.519",
    "epoch": 1783537720.5192325,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 951,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:08:41.534",
    "epoch": 1783537721.5350044,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 937,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:08:42.602",
    "epoch": 1783537722.6023948,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:08:43.996",
    "epoch": 1783537723.9964218,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 922,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:45.056",
    "epoch": 1783537725.0567126,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:46.272",
    "epoch": 1783537726.2725801,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 885,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:47.677",
    "epoch": 1783537727.6772401,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 922,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:48.766",
    "epoch": 1783537728.766047,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 895,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:49.979",
    "epoch": 1783537729.9791234,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 875,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:51.028",
    "epoch": 1783537731.0287292,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 866,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:52.067",
    "epoch": 1783537732.0671759,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 876,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:53.086",
    "epoch": 1783537733.0861044,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 25% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 873,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:54.134",
    "epoch": 1783537734.1347096,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 870,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:55.136",
    "epoch": 1783537735.1361718,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 873,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:56.376",
    "epoch": 1783537736.376995,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 873,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:57.438",
    "epoch": 1783537737.4385643,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:58.440",
    "epoch": 1783537738.4408453,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 929,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:08:59.497",
    "epoch": 1783537739.497692,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:00.515",
    "epoch": 1783537740.5156748,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:01.720",
    "epoch": 1783537741.7201536,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 955,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:02.798",
    "epoch": 1783537742.7983065,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 929,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:03.805",
    "epoch": 1783537743.805616,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 31% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 885,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:04.853",
    "epoch": 1783537744.853339,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 879,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:05.867",
    "epoch": 1783537745.8672366,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 884,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:06.925",
    "epoch": 1783537746.9256399,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 888,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:07.935",
    "epoch": 1783537747.9354436,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 885,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:08.889",
    "epoch": 1783537748.8893015,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 865,
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 886,
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    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:09:15.174",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 867,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:09:16.186",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 863,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:09:17.235",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 881,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:09:18.247",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 865,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:09:19.467",
    "epoch": 1783537759.4673686,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 881,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:09:20.929",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 846,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:09:21.968",
    "epoch": 1783537761.9684641,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 847,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:09:23.016",
    "epoch": 1783537763.016136,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 50% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 884,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:09:24.036",
    "epoch": 1783537764.036109,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 50% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 894,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:09:25.092",
    "epoch": 1783537765.0927472,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 890,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:09:26.288",
    "epoch": 1783537766.2887692,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 839,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:09:27.327",
    "epoch": 1783537767.3276675,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 864,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:09:29.413",
    "epoch": 1783537769.4133456,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 874,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:30.447",
    "epoch": 1783537770.447475,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 895,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:09:31.458",
    "epoch": 1783537771.4580917,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 870,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:09:32.523",
    "epoch": 1783537772.523999,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 852,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:09:33.516",
    "epoch": 1783537773.5167203,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 875,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:09:34.575",
    "epoch": 1783537774.5754228,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 873,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:09:35.979",
    "epoch": 1783537775.9791794,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 52% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 880,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:09:37.056",
    "epoch": 1783537777.0560343,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 52% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 871,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:09:38.111",
    "epoch": 1783537778.1115458,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 861,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:09:39.496",
    "epoch": 1783537779.4969747,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 864,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:40.538",
    "epoch": 1783537780.538844,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 837,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:41.588",
    "epoch": 1783537781.5881188,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 829,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:42.596",
    "epoch": 1783537782.5963435,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 852,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:43.657",
    "epoch": 1783537783.6574125,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 37% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 932,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:44.666",
    "epoch": 1783537784.6662107,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 54% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 840,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:45.722",
    "epoch": 1783537785.7222903,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 69% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 852,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:46.976",
    "epoch": 1783537786.976275,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 21% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 861,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:47.970",
    "epoch": 1783537787.9706907,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 924,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:49.020",
    "epoch": 1783537789.0204391,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 963,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:50.246",
    "epoch": 1783537790.246544,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 924,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:51.269",
    "epoch": 1783537791.2693698,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 336,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:09:52.479",
    "epoch": 1783537792.4791784,
    "track_id": 6,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1074,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:09:52.509",
    "epoch": 1783537792.509423,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 888,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:09:53.558",
    "epoch": 1783537793.5588586,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-08 19:10:41.857",
    "epoch": 1783537841.857788,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 865,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:10:42.858",
    "epoch": 1783537842.8581357,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 876,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:10:44.287",
    "epoch": 1783537844.287731,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 37% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 848,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:10:45.717",
    "epoch": 1783537845.7176301,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 888,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:10:46.796",
    "epoch": 1783537846.7967684,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 890,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:10:48.828",
    "epoch": 1783537848.8286264,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 856,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:10:49.867",
    "epoch": 1783537849.867729,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:10:51.738",
    "epoch": 1783537851.7390037,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 886,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:10:52.756",
    "epoch": 1783537852.7562857,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 884,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:10:53.817",
    "epoch": 1783537853.8173356,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 867,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:10:54.818",
    "epoch": 1783537854.8186932,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:10:55.877",
    "epoch": 1783537855.8773525,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 887,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:10:56.895",
    "epoch": 1783537856.895146,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:10:57.938",
    "epoch": 1783537857.9383006,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 886,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:10:58.953",
    "epoch": 1783537858.9530828,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 885,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:00.007",
    "epoch": 1783537860.007283,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 885,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:01.018",
    "epoch": 1783537861.018773,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:02.068",
    "epoch": 1783537862.0682724,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:03.076",
    "epoch": 1783537863.0766745,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 869,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:04.134",
    "epoch": 1783537864.1340213,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 870,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:05.344",
    "epoch": 1783537865.3448665,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 873,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:06.758",
    "epoch": 1783537866.7589815,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 893,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:08.028",
    "epoch": 1783537868.028231,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 36% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 879,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:09.088",
    "epoch": 1783537869.088266,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 917,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:10.133",
    "epoch": 1783537870.1334217,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 912,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:11:11.148",
    "epoch": 1783537871.1483533,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 913,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:11:12.186",
    "epoch": 1783537872.1868148,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 897,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:11:13.204",
    "epoch": 1783537873.20423,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 76px right over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 875,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:11:14.216",
    "epoch": 1783537874.2165732,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 67px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 914,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:11:15.427",
    "epoch": 1783537875.4279864,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 920,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:16.530",
    "epoch": 1783537876.5302463,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 906,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:17.517",
    "epoch": 1783537877.517512,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 918,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:18.577",
    "epoch": 1783537878.5770783,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:19.589",
    "epoch": 1783537879.5890906,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 916,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:20.640",
    "epoch": 1783537880.6404502,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 914,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:21.648",
    "epoch": 1783537881.6482003,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 919,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:22.894",
    "epoch": 1783537882.8947296,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 923,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:24.098",
    "epoch": 1783537884.098628,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:11:25.187",
    "epoch": 1783537885.1878016,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 908,
    "applied_label": "trying_to_stand",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:12:16.955",
    "epoch": 1783537936.9550765,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 896,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:12:18.008",
    "epoch": 1783537938.00873,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:12:19.017",
    "epoch": 1783537939.0173626,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:12:20.066",
    "epoch": 1783537940.0661342,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 855,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:12:21.087",
    "epoch": 1783537941.087609,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:12:22.127",
    "epoch": 1783537942.1272943,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:12:23.183",
    "epoch": 1783537943.1834822,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 52px left over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:12:24.198",
    "epoch": 1783537944.1986854,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 86px left over 3s and apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 848,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:12:25.212",
    "epoch": 1783537945.21295,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:12:26.266",
    "epoch": 1783537946.2662814,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:12:27.269",
    "epoch": 1783537947.269728,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 847,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:12:28.318",
    "epoch": 1783537948.3186336,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 950,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:12:29.330",
    "epoch": 1783537949.3300192,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 54% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 839,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:12:30.389",
    "epoch": 1783537950.3895137,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 83px right over 3s and apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 866,
    "applied_label": "walking",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:12:31.403",
    "epoch": 1783537951.4035149,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:12:32.452",
    "epoch": 1783537952.4521503,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:12:33.460",
    "epoch": 1783537953.460909,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 880,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:12:34.513",
    "epoch": 1783537954.513155,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:12:35.566",
    "epoch": 1783537955.5667386,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 980,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:12:36.581",
    "epoch": 1783537956.5814536,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 62px left over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 892,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:12:37.591",
    "epoch": 1783537957.5912683,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 968,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:12:38.642",
    "epoch": 1783537958.6426132,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 919,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:12:39.649",
    "epoch": 1783537959.6491847,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px left over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 882,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:12:40.709",
    "epoch": 1783537960.7098877,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 891,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:12:41.717",
    "epoch": 1783537961.7172358,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 45px left over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 848,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:12:42.769",
    "epoch": 1783537962.7700112,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px right over 3s and apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 6,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1230,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:12:44.189",
    "epoch": 1783537964.189288,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 26% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 840,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:12:45.246",
    "epoch": 1783537965.2469847,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 32% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 829,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:12:46.252",
    "epoch": 1783537966.2526357,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 898,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:12:47.309",
    "epoch": 1783537967.3094969,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 904,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:12:48.319",
    "epoch": 1783537968.3197944,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:12:49.378",
    "epoch": 1783537969.3781695,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 880,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:12:50.381",
    "epoch": 1783537970.3813486,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 884,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:12:51.433",
    "epoch": 1783537971.4334145,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 883,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:12:52.450",
    "epoch": 1783537972.4508274,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px left over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 868,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:12:54.713",
    "epoch": 1783537974.7132099,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 80px left over 2s and apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 924,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:13:07.687",
    "epoch": 1783537987.6873205,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 885,
    "applied_label": "fall_candidate",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:13:09.369",
    "epoch": 1783537989.3691282,
    "track_id": 6,
    "request_type": "fall_verify",
    "zone": "floor",
    "movement_context": null,
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 228,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:13:15.939",
    "epoch": 1783537995.9394157,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 949,
    "applied_label": "trying_to_sit",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:13:17.017",
    "epoch": 1783537997.017829,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px left over 2s and apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 6,       \"activity\": \"trying_to_stand\"     }   ] } ```",
    "latency_ms": 1285,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:13:18.439",
    "epoch": 1783537998.4397645,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 895,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:13:19.507",
    "epoch": 1783537999.507541,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 115px right over 3s and apparent size grew 65% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 837,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:13:20.508",
    "epoch": 1783538000.5088449,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 133px right over 2s and apparent size grew 46% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 843,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:13:21.395",
    "epoch": 1783538001.39503,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px right over 2s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 842,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:13:22.407",
    "epoch": 1783538002.4078388,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:13:23.408",
    "epoch": 1783538003.4089959,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:13:24.456",
    "epoch": 1783538004.4563003,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 87px left over 3s and apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 822,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:13:25.494",
    "epoch": 1783538005.4949148,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 165px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:13:26.520",
    "epoch": 1783538006.5202239,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 191px left over 3s and apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:13:27.528",
    "epoch": 1783538007.5281308,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 134px left over 3s and apparent size shrank 52% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 838,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:13:28.588",
    "epoch": 1783538008.5889673,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 52px left over 3s and apparent size shrank 36% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:13:29.600",
    "epoch": 1783538009.600746,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 79px left over 3s and apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:13:30.833",
    "epoch": 1783538010.8330684,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 977,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:13:33.678",
    "epoch": 1783538013.6788478,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 959,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:13:34.949",
    "epoch": 1783538014.9499743,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 900,
    "applied_label": "fall_candidate",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:13:36.011",
    "epoch": 1783538016.0112877,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 904,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:13:37.024",
    "epoch": 1783538017.0240571,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 927,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:13:38.075",
    "epoch": 1783538018.0756083,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 928,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:13:42.584",
    "epoch": 1783538022.5845978,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 880,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:13:44.409",
    "epoch": 1783538024.4093177,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 885,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:13:45.506",
    "epoch": 1783538025.5069942,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 840,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:13:47.306",
    "epoch": 1783538027.3060656,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 856,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:13:55.786",
    "epoch": 1783538035.7867455,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 868,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:13:56.828",
    "epoch": 1783538036.8288527,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 869,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:13:58.030",
    "epoch": 1783538038.03016,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 864,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:13:59.117",
    "epoch": 1783538039.1171365,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 887,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:14:00.127",
    "epoch": 1783538040.1273427,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 896,
    "applied_label": "trying_to_stand",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:14:01.185",
    "epoch": 1783538041.1853268,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 912,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:02.186",
    "epoch": 1783538042.186811,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 917,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:03.248",
    "epoch": 1783538043.2486103,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 895,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:04.448",
    "epoch": 1783538044.4481525,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px left over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 902,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:05.489",
    "epoch": 1783538045.4893942,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 908,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:06.936",
    "epoch": 1783538046.936224,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 875,
    "applied_label": "fall_candidate",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:07.970",
    "epoch": 1783538047.9702036,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 901,
    "applied_label": "trying_to_stand",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:14:09.018",
    "epoch": 1783538049.0186381,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 902,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:10.029",
    "epoch": 1783538050.0291014,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 902,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:11.087",
    "epoch": 1783538051.0878386,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 883,
    "applied_label": "fall_candidate",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:12.098",
    "epoch": 1783538052.0989075,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 880,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:14:13.149",
    "epoch": 1783538053.1491525,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 70px right over 3s and apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 845,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:14:14.160",
    "epoch": 1783538054.160287,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:14:15.209",
    "epoch": 1783538055.2099564,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 937,
    "applied_label": "trying_to_sit",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:14:16.218",
    "epoch": 1783538056.2184687,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 899,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:14:17.278",
    "epoch": 1783538057.2787375,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 871,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:18.503",
    "epoch": 1783538058.5037909,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 935,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:14:19.530",
    "epoch": 1783538059.5305588,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:14:20.577",
    "epoch": 1783538060.5777402,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 886,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:14:21.599",
    "epoch": 1783538061.5998707,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 872,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:14:22.638",
    "epoch": 1783538062.6381805,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 874,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:14:23.647",
    "epoch": 1783538063.647246,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 876,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:14:24.704",
    "epoch": 1783538064.7050073,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 868,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:14:25.709",
    "epoch": 1783538065.7098975,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px right over 3s and apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 909,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:14:26.769",
    "epoch": 1783538066.7694376,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 73px right over 3s and apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 846,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:27.780",
    "epoch": 1783538067.7800794,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 928,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:28.832",
    "epoch": 1783538068.832308,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 942,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:29.839",
    "epoch": 1783538069.8394186,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 132px left over 3s and apparent size grew 36% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 863,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:30.890",
    "epoch": 1783538070.890181,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 845,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:31.898",
    "epoch": 1783538071.8988008,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:14:33.108",
    "epoch": 1783538073.1080348,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:14:34.216",
    "epoch": 1783538074.2164755,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 63px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 866,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:14:35.212",
    "epoch": 1783538075.212134,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1017,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:14:36.442",
    "epoch": 1783538076.4430077,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 920,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:14:37.511",
    "epoch": 1783538077.5118802,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 868,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:14:39.297",
    "epoch": 1783538079.2976096,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:14:40.389",
    "epoch": 1783538080.389436,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 903,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:14:41.410",
    "epoch": 1783538081.4102306,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 56% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 905,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:42.448",
    "epoch": 1783538082.4482412,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px right over 3s and apparent size grew 51% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 819,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:43.458",
    "epoch": 1783538083.4588313,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px right over 3s and apparent size grew 34% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 884,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:14:44.517",
    "epoch": 1783538084.5177464,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 900,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:14:46.139",
    "epoch": 1783538086.1396751,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:14:50.670",
    "epoch": 1783538090.6705613,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 875,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:14:55.210",
    "epoch": 1783538095.2103446,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 899,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:14:56.147",
    "epoch": 1783538096.1479862,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 870,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:14:57.079",
    "epoch": 1783538097.0799773,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 833,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:14:59.149",
    "epoch": 1783538099.1493998,
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 891,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:15:00.988",
    "epoch": 1783538100.9886055,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 838,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:15:01.999",
    "epoch": 1783538101.9996884,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:15:03.237",
    "epoch": 1783538103.237919,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 888,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:15:04.320",
    "epoch": 1783538104.320881,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:15:06.540",
    "epoch": 1783538106.5401583,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 902,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:15:09.658",
    "epoch": 1783538109.6582732,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:15:14.378",
    "epoch": 1783538114.378782,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:15:17.728",
    "epoch": 1783538117.7280965,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 822,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:15:18.919",
    "epoch": 1783538118.9193962,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:15:20.167",
    "epoch": 1783538120.1675055,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 883,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:15:21.239",
    "epoch": 1783538121.2393672,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 985,
    "applied_label": "trying_to_sit",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:15:22.479",
    "epoch": 1783538122.4793386,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px left over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:15:23.533",
    "epoch": 1783538123.533828,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 984,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:15:24.559",
    "epoch": 1783538124.5590568,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 939,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:15:25.609",
    "epoch": 1783538125.6094165,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
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  {
    "timestamp": "2026-07-08 19:15:26.692",
    "epoch": 1783538126.6928322,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 897,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:15:28.038",
    "epoch": 1783538128.0390055,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:15:29.152",
    "epoch": 1783538129.152563,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:15:30.160",
    "epoch": 1783538130.160037,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 872,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:15:31.151",
    "epoch": 1783538131.1514866,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 897,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:15:32.193",
    "epoch": 1783538132.19336,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 872,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:15:33.778",
    "epoch": 1783538133.7782426,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 893,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:15:34.870",
    "epoch": 1783538134.8708482,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 879,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:15:35.871",
    "epoch": 1783538135.8711824,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 858,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:15:36.952",
    "epoch": 1783538136.952318,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 933,
    "applied_label": "trying_to_sit",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:15:37.940",
    "epoch": 1783538137.940349,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 856,
    "applied_label": "sitting",
    "previous_label": "trying_to_sit"
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  {
    "timestamp": "2026-07-08 19:15:39.370",
    "epoch": 1783538139.3701015,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:15:40.421",
    "epoch": 1783538140.4215221,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 938,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:15:41.492",
    "epoch": 1783538141.4926028,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 881,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:15:42.471",
    "epoch": 1783538142.471096,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 869,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:15:43.679",
    "epoch": 1783538143.679817,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 919,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:15:44.772",
    "epoch": 1783538144.7722845,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 907,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:15:46.168",
    "epoch": 1783538146.1687322,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 866,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:15:47.239",
    "epoch": 1783538147.2394278,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:15:48.251",
    "epoch": 1783538148.2511132,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 861,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:15:49.312",
    "epoch": 1783538149.31213,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 941,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:15:50.552",
    "epoch": 1783538150.5525973,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 956,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:15:51.554",
    "epoch": 1783538151.554364,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 967,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:15:52.621",
    "epoch": 1783538152.621829,
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 93px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
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  {
    "timestamp": "2026-07-08 19:15:53.621",
    "epoch": 1783538153.6218026,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 95px right over 3s and apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 855,
    "applied_label": "walking",
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  {
    "timestamp": "2026-07-08 19:15:54.667",
    "epoch": 1783538154.6679854,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 120px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
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    "timestamp": "2026-07-08 19:15:55.886",
    "epoch": 1783538155.8860438,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 839,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:15:56.958",
    "epoch": 1783538156.9589515,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "standing",
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  },
  {
    "timestamp": "2026-07-08 19:16:02.247",
    "epoch": 1783538162.2473595,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 6,       \"activity\": \"fallen\"     }   ] } ```",
    "latency_ms": 1291,
    "applied_label": "fall_candidate",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:16:07.438",
    "epoch": 1783538167.4385664,
    "track_id": 6,
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    "zone": "floor",
    "movement_context": null,
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
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    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 19:16:11.565",
    "epoch": 1783538171.5651267,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 895,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 19:16:12.868",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 946,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 19:16:13.853",
    "epoch": 1783538173.8537736,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 945,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 19:16:15.308",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 887,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 19:16:17.948",
    "epoch": 1783538177.9487417,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 883,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 19:16:20.828",
    "epoch": 1783538180.8288105,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 889,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 19:16:22.000",
    "epoch": 1783538182.0007875,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 889,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:16:23.561",
    "epoch": 1783538183.5615485,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 914,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 19:16:25.779",
    "epoch": 1783538185.779947,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 941,
    "applied_label": "trying_to_stand",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 19:16:26.864",
    "epoch": 1783538186.8642063,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 877,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
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    "timestamp": "2026-07-08 19:16:27.869",
    "epoch": 1783538187.8699245,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 868,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:16:28.941",
    "epoch": 1783538188.941425,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 869,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:16:30.378",
    "epoch": 1783538190.3786955,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 871,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:16:31.777",
    "epoch": 1783538191.7773135,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 875,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "epoch": 1783538193.2275708,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 871,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:16:35.317",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 894,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:16:36.349",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 857,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:16:37.359",
    "epoch": 1783538197.3591523,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 866,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:16:38.419",
    "epoch": 1783538198.4192262,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 868,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:16:39.645",
    "epoch": 1783538199.6455102,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 857,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:16:41.049",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 880,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:16:42.341",
    "epoch": 1783538202.3412724,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 870,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:16:43.940",
    "epoch": 1783538203.940593,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:16:46.480",
    "epoch": 1783538206.4808881,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:16:48.058",
    "epoch": 1783538208.0584757,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:16:49.299",
    "epoch": 1783538209.2993586,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:16:51.196",
    "epoch": 1783538211.196022,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 884,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:16:52.220",
    "epoch": 1783538212.2200236,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 867,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:16:54.907",
    "epoch": 1783538214.9070995,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 868,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:16:56.128",
    "epoch": 1783538216.1282806,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 847,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:16:59.858",
    "epoch": 1783538219.8587081,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 850,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:17:01.908",
    "epoch": 1783538221.9082036,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 870,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:17:02.949",
    "epoch": 1783538222.94961,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 872,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:04.009",
    "epoch": 1783538224.009252,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 862,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:05.011",
    "epoch": 1783538225.011938,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 870,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:06.220",
    "epoch": 1783538226.2209034,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 855,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:08.287",
    "epoch": 1783538228.2880123,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 851,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:09.370",
    "epoch": 1783538229.370614,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 884,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:10.380",
    "epoch": 1783538230.3808918,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 886,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:12.229",
    "epoch": 1783538232.229773,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 859,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:13.660",
    "epoch": 1783538233.6603637,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 853,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:14.888",
    "epoch": 1783538234.8888175,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:16.130",
    "epoch": 1783538236.1300576,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:17.359",
    "epoch": 1783538237.3597634,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 857,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:18.450",
    "epoch": 1783538238.450319,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 897,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:19.460",
    "epoch": 1783538239.4608521,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:20.678",
    "epoch": 1783538240.6784499,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 893,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:21.768",
    "epoch": 1783538241.7688563,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 893,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:22.769",
    "epoch": 1783538242.7695763,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 899,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:23.811",
    "epoch": 1783538243.8113592,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px right over 3s and apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 897,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:25.643",
    "epoch": 1783538245.6437027,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 971,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:26.730",
    "epoch": 1783538246.7303393,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 6,       \"activity\": \"trying_to_stand\"     }   ] } ```",
    "latency_ms": 1339,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:17:28.130",
    "epoch": 1783538248.1301215,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 937,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:17:29.187",
    "epoch": 1783538249.1872482,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 938,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:17:30.278",
    "epoch": 1783538250.2787137,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 881,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:17:31.240",
    "epoch": 1783538251.240605,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 53px left over 3s and apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 857,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:17:32.253",
    "epoch": 1783538252.2537153,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 119px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 866,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:17:33.329",
    "epoch": 1783538253.3298213,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 116px left over 3s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:17:34.329",
    "epoch": 1783538254.3294325,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 970,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:17:35.370",
    "epoch": 1783538255.37047,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 48% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 887,
    "applied_label": "sitting",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:17:36.390",
    "epoch": 1783538256.390777,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 43% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 888,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:37.431",
    "epoch": 1783538257.4319503,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 69% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 895,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:38.451",
    "epoch": 1783538258.451185,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 903,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:39.511",
    "epoch": 1783538259.5118887,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 911,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:40.511",
    "epoch": 1783538260.5119402,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 847,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:41.602",
    "epoch": 1783538261.6020153,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 867,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:42.581",
    "epoch": 1783538262.581329,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 879,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:43.637",
    "epoch": 1783538263.6379368,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 37% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 946,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:44.759",
    "epoch": 1783538264.7597919,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 929,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:45.877",
    "epoch": 1783538265.8771927,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 880,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:17:46.931",
    "epoch": 1783538266.9318736,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 893,
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    "movement_context": "Person has NOT changed position over the last 1s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 15, \"activity\": \"lying_in_bed\"}]} ```",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "movement_context": "No movement data available.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 16, \"activity\": \"sitting\"}]} ```",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 16, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 16, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-08 19:19:04.291",
    "epoch": 1783538344.2914028,
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 16, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 920,
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    "timestamp": "2026-07-08 19:19:05.349",
    "epoch": 1783538345.349264,
    "track_id": 16,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 42% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 16, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 16, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 906,
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 16, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 911,
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    "timestamp": "2026-07-08 19:19:08.789",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 16, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "sitting",
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    "timestamp": "2026-07-08 19:19:10.895",
    "epoch": 1783538350.8952422,
    "track_id": 16,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 16, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "sitting",
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    "timestamp": "2026-07-08 19:19:12.097",
    "epoch": 1783538352.097744,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 905,
    "applied_label": "sitting",
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    "timestamp": "2026-07-08 19:19:13.202",
    "epoch": 1783538353.2026684,
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 897,
    "applied_label": "sitting",
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    "timestamp": "2026-07-08 19:19:14.570",
    "epoch": 1783538354.570527,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 951,
    "applied_label": "sitting",
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    "timestamp": "2026-07-08 19:19:16.630",
    "epoch": 1783538356.6300304,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 926,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:19:17.721",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 923,
    "applied_label": "sitting",
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    "timestamp": "2026-07-08 19:19:18.733",
    "epoch": 1783538358.7334037,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 931,
    "applied_label": "sitting",
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    "timestamp": "2026-07-08 19:19:20.158",
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    "vlm_label": "sitting",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 29% (moving TOWARD camera).",
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    "request_type": "multi_classify",
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    "vlm_label": "sitting",
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    "request_type": "multi_classify",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "track_id": 17,
    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 38% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 47% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 19% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 34% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 32% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
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    "track_id": 17,
    "request_type": "multi_classify",
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    "frames_sent": 2,
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 918,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
    "previous_label": "sitting"
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:20:21.042",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "track_id": 17,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 914,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:20:23.317",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:20:24.354",
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    "track_id": 17,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-08 19:20:25.401",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
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    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"trying_to_stand\"}]} ```",
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    "previous_label": "sitting"
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 922,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
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    "timestamp": "2026-07-08 19:20:27.653",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 90px right over 2s and apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"walking\"}]} ```",
    "latency_ms": 900,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
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    "timestamp": "2026-07-08 19:20:28.701",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 102px right over 3s and apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
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    "timestamp": "2026-07-08 19:20:29.721",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 93px right over 3s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"walking\"}]} ```",
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    "applied_label": "walking",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
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    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1014,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
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    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
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    "timestamp": "2026-07-08 19:20:33.013",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 49px right over 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
    "latency_ms": 887,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-08 19:20:35.480",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
    "latency_ms": 887,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-08 19:20:36.541",
    "epoch": 1783538436.5418577,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
    "latency_ms": 883,
    "applied_label": "standing",
    "previous_label": "standing"
  },
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    "timestamp": "2026-07-08 19:20:37.748",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
    "latency_ms": 860,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:20:38.794",
    "epoch": 1783538438.7945378,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
    "latency_ms": 869,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:20:39.854",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
    "latency_ms": 872,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:20:40.853",
    "epoch": 1783538440.8537283,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
    "latency_ms": 883,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:20:42.059",
    "epoch": 1783538442.0591037,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-08 19:20:43.158",
    "epoch": 1783538443.1583316,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
    "latency_ms": 934,
    "applied_label": "standing",
    "previous_label": "standing"
  },
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    "timestamp": "2026-07-08 19:20:44.779",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
    "latency_ms": 985,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:20:47.431",
    "epoch": 1783538447.4311442,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
    "latency_ms": 944,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:20:48.516",
    "epoch": 1783538448.5169163,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
    "latency_ms": 931,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:20:49.524",
    "epoch": 1783538449.5246413,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
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    "track_id": 17,
    "request_type": "multi_classify",
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    "movement_context": "Person moved 56px left over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"walking\"}]} ```",
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    "timestamp": "2026-07-08 19:21:02.140",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "timestamp": "2026-07-08 19:21:05.624",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
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    "timestamp": "2026-07-08 19:21:07.684",
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    "request_type": "multi_classify",
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    "track_id": 17,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-08 19:21:14.899",
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    "track_id": 17,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "track_id": 17,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "track_id": 17,
    "request_type": "multi_classify",
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    "track_id": 17,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-08 19:21:20.707",
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    "track_id": 17,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
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  {
    "timestamp": "2026-07-08 19:21:21.715",
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    "track_id": 17,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:21:22.771",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:21:23.784",
    "epoch": 1783538483.7849317,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
    "latency_ms": 910,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:21:24.833",
    "epoch": 1783538484.8339283,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"walking\"}]} ```",
    "latency_ms": 910,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:21:25.852",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 91px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"standing\"}]} ```",
    "latency_ms": 943,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:21:26.892",
    "epoch": 1783538486.8923838,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 117px left over 3s and apparent size grew 44% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"walking\"}]} ```",
    "latency_ms": 904,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:21:27.904",
    "epoch": 1783538487.9044695,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 67px left over 3s and apparent size grew 51% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 932,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:21:28.963",
    "epoch": 1783538488.963736,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1023,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:21:30.193",
    "epoch": 1783538490.1939878,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:21:31.205",
    "epoch": 1783538491.2052677,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 45px left over 3s and apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 913,
    "applied_label": "sitting",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:21:32.274",
    "epoch": 1783538492.2746692,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 906,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:21:33.273",
    "epoch": 1783538493.2734785,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 17,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1310,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:21:34.734",
    "epoch": 1783538494.7348418,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:21:35.957",
    "epoch": 1783538495.957126,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 896,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:21:37.599",
    "epoch": 1783538497.5999749,
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:21:38.636",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:21:40.705",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:21:41.763",
    "epoch": 1783538501.7639172,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:21:42.769",
    "epoch": 1783538502.769117,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 34% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 986,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:21:43.816",
    "epoch": 1783538503.8168685,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 951,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:21:44.839",
    "epoch": 1783538504.8395636,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
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    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:21:46.260",
    "epoch": 1783538506.2609575,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 25% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 936,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:21:47.723",
    "epoch": 1783538507.7232199,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:21:48.787",
    "epoch": 1783538508.7874682,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1016,
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    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:21:50.006",
    "epoch": 1783538510.006982,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1034,
    "applied_label": "sitting",
    "previous_label": "trying_to_sit"
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  {
    "timestamp": "2026-07-08 19:21:51.263",
    "epoch": 1783538511.2639444,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 920,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:21:52.456",
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    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 896,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:21:53.688",
    "epoch": 1783538513.6883304,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 920,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:21:54.773",
    "epoch": 1783538514.7738633,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 927,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:21:56.168",
    "epoch": 1783538516.1685052,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 881,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:21:57.205",
    "epoch": 1783538517.205194,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 893,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
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    "timestamp": "2026-07-08 19:21:58.649",
    "epoch": 1783538518.6492453,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 935,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:21:59.687",
    "epoch": 1783538519.6870277,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 942,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:22:00.742",
    "epoch": 1783538520.7425148,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 944,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:22:01.939",
    "epoch": 1783538521.9394848,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 939,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:22:03.779",
    "epoch": 1783538523.7792258,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 926,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:22:05.670",
    "epoch": 1783538525.6706817,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 905,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:22:07.080",
    "epoch": 1783538527.080274,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 916,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:22:08.171",
    "epoch": 1783538528.1718075,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:22:09.173",
    "epoch": 1783538529.173275,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 912,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:22:10.241",
    "epoch": 1783538530.2413883,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 896,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:22:11.438",
    "epoch": 1783538531.438184,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 938,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:22:12.481",
    "epoch": 1783538532.4818082,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 944,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:22:14.087",
    "epoch": 1783538534.0875523,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 950,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:22:15.568",
    "epoch": 1783538535.5689542,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 915,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:22:16.605",
    "epoch": 1783538536.6058626,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 906,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:22:17.663",
    "epoch": 1783538537.6639206,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 926,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:22:20.753",
    "epoch": 1783538540.7532735,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 947,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:22:22.580",
    "epoch": 1783538542.580751,
    "track_id": 17,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 17, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 922,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:22:24.014",
    "epoch": 1783538544.0148997,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:22:25.083",
    "epoch": 1783538545.0838423,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 917,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:22:26.091",
    "epoch": 1783538546.0918067,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 923,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:22:27.151",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 32% (moving AWAY from camera).",
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    "vlm_label": "sitting",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 1s.",
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    "movement_context": "No movement data available.",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 1s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-08 19:23:06.737",
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    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 925,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 914,
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    "timestamp": "2026-07-08 19:23:10.492",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 946,
    "applied_label": "sitting",
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    "timestamp": "2026-07-08 19:23:11.740",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 943,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-08 19:23:12.744",
    "epoch": 1783538592.7448354,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 960,
    "applied_label": "fall_candidate",
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    "timestamp": "2026-07-08 19:23:13.786",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
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    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 19:23:15.006",
    "epoch": 1783538595.0064766,
    "track_id": 20,
    "request_type": "unknown",
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    "frames_sent": 0,
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    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1024,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 19:23:15.589",
    "epoch": 1783538595.5899732,
    "track_id": 21,
    "request_type": "fall_verify",
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    "movement_context": null,
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    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
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    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 19:23:16.044",
    "epoch": 1783538596.0442271,
    "track_id": 21,
    "request_type": "fall_verify",
    "zone": "floor",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1037,
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  {
    "timestamp": "2026-07-08 19:23:16.281",
    "epoch": 1783538596.2819922,
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
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    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 301,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:23:17.236",
    "epoch": 1783538597.2360775,
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-08 19:23:17.272",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 26% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1001,
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    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 951,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 25% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 935,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:23:22.462",
    "epoch": 1783538602.462633,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 928,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:23:23.504",
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    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 930,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:23:25.079",
    "epoch": 1783538605.0798962,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"standing\"}]} ```",
    "latency_ms": 919,
    "applied_label": "standing",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:23:26.323",
    "epoch": 1783538606.3230608,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 25% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 946,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:23:28.380",
    "epoch": 1783538608.3809729,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 939,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:23:30.030",
    "epoch": 1783538610.030216,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 949,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 19:23:31.499",
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    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 986,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:23:32.745",
    "epoch": 1783538612.7454426,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 976,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:23:33.981",
    "epoch": 1783538613.9815407,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 949,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:23:35.019",
    "epoch": 1783538615.0195975,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 964,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:23:36.448",
    "epoch": 1783538616.4482245,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 988,
    "applied_label": "trying_to_sit",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:23:37.494",
    "epoch": 1783538617.4945774,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 924,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:23:39.117",
    "epoch": 1783538619.1171503,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 921,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:23:40.349",
    "epoch": 1783538620.3496315,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 990,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:23:41.435",
    "epoch": 1783538621.4350455,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 944,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:23:43.056",
    "epoch": 1783538623.056781,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 34% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 926,
    "applied_label": "sitting",
    "previous_label": "trying_to_sit"
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  {
    "timestamp": "2026-07-08 19:23:44.094",
    "epoch": 1783538624.0949583,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 38% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 923,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 19:23:45.167",
    "epoch": 1783538625.1676657,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1017,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:23:46.386",
    "epoch": 1783538626.386605,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 933,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:23:47.394",
    "epoch": 1783538627.394858,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 895,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:23:48.452",
    "epoch": 1783538628.4529946,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 894,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:23:49.464",
    "epoch": 1783538629.464263,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"standing\"}]} ```",
    "latency_ms": 877,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:23:51.079",
    "epoch": 1783538631.0799267,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 908,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:23:52.557",
    "epoch": 1783538632.5570748,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 920,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:23:53.596",
    "epoch": 1783538633.5963733,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 983,
    "applied_label": "trying_to_sit",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:23:54.662",
    "epoch": 1783538634.6620774,
    "track_id": 20,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 20, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 895,
    "applied_label": "sitting",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:23:56.267",
    "epoch": 1783538636.2675877,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 985,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:23:59.741",
    "epoch": 1783538639.7411284,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 38% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"standing\"}]} ```",
    "latency_ms": 933,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:00.836",
    "epoch": 1783538640.836263,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 38% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:24:01.845",
    "epoch": 1783538641.8451087,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 39% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 899,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:02.904",
    "epoch": 1783538642.9042144,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 945,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:03.928",
    "epoch": 1783538643.92848,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 971,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:04.976",
    "epoch": 1783538644.97661,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 946,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:06.585",
    "epoch": 1783538646.5857487,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 940,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:07.820",
    "epoch": 1783538647.8209758,
    "track_id": 21,
    "request_type": "fall_verify",
    "zone": "floor",
    "movement_context": null,
    "frames_sent": 4,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 301,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:24:08.819",
    "epoch": 1783538648.8199177,
    "track_id": 21,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 1033,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:24:09.057",
    "epoch": 1783538649.0579503,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 35% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 935,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:24:10.092",
    "epoch": 1783538650.0924668,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 930,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:24:11.155",
    "epoch": 1783538651.1550357,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 895,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:24:12.165",
    "epoch": 1783538652.1651733,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 981,
    "applied_label": "trying_to_sit",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:24:13.233",
    "epoch": 1783538653.2333105,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:24:14.223",
    "epoch": 1783538654.2232373,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
    "applied_label": "sitting",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:24:16.466",
    "epoch": 1783538656.466914,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:17.899",
    "epoch": 1783538657.8995464,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1007,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:24:18.996",
    "epoch": 1783538658.9967105,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 36% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 953,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:24:20.416",
    "epoch": 1783538660.4160686,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 939,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:21.849",
    "epoch": 1783538661.8498518,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 46% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 906,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:24:22.894",
    "epoch": 1783538662.8949335,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 907,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:24:23.952",
    "epoch": 1783538663.9525933,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 895,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:24.956",
    "epoch": 1783538664.9560246,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 937,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:26.014",
    "epoch": 1783538666.014064,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 981,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:27.390",
    "epoch": 1783538667.390825,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 914,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:28.482",
    "epoch": 1783538668.4824817,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 894,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:29.496",
    "epoch": 1783538669.496173,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:30.700",
    "epoch": 1783538670.7001128,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 25% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:31.783",
    "epoch": 1783538671.783092,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 901,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:32.988",
    "epoch": 1783538672.9888308,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 897,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:34.035",
    "epoch": 1783538674.0351825,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 912,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:35.238",
    "epoch": 1783538675.238846,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 923,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:36.334",
    "epoch": 1783538676.334462,
    "track_id": 21,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 21, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 886,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:37.530",
    "epoch": 1783538677.5303562,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 958,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 19:24:38.771",
    "epoch": 1783538678.771741,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 298,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:24:40.009",
    "epoch": 1783538680.0097854,
    "track_id": 23,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1088,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:24:40.048",
    "epoch": 1783538680.048541,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px right over 3s and apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"standing\"}]} ```",
    "latency_ms": 924,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:24:41.245",
    "epoch": 1783538681.24532,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 994,
    "applied_label": "trying_to_stand",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 19:24:42.290",
    "epoch": 1783538682.2903955,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 998,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:24:43.368",
    "epoch": 1783538683.368035,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 155px right over 3s and apparent size grew 21% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"walking\"}]} ```",
    "latency_ms": 860,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:24:44.354",
    "epoch": 1783538684.3546255,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 122px right over 2s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"walking\"}]} ```",
    "latency_ms": 858,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 19:24:45.405",
    "epoch": 1783538685.4050808,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 160px right over 3s and apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"walking\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:24:46.416",
    "epoch": 1783538686.416604,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 971,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:24:47.467",
    "epoch": 1783538687.467704,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 218px left over 3s and apparent size grew 56% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"walking\"}]} ```",
    "latency_ms": 858,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:24:48.475",
    "epoch": 1783538688.4758198,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 185px left over 3s and apparent size grew 40% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"walking\"}]} ```",
    "latency_ms": 883,
    "applied_label": "walking",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:24:49.534",
    "epoch": 1783538689.5349562,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 90px left over 3s and apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"standing\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:24:50.545",
    "epoch": 1783538690.5450745,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"standing\"}]} ```",
    "latency_ms": 885,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:24:51.597",
    "epoch": 1783538691.5970175,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 155px right over 2s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"walking\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:24:52.605",
    "epoch": 1783538692.6051583,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 187px right over 2s and apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"walking\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:24:53.656",
    "epoch": 1783538693.6563947,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 174px right over 3s and apparent size shrank 26% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"walking\"}]} ```",
    "latency_ms": 861,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:24:54.706",
    "epoch": 1783538694.7065315,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px right over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"walking\"}]} ```",
    "latency_ms": 894,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:24:55.733",
    "epoch": 1783538695.7339568,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"standing\"}]} ```",
    "latency_ms": 911,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:24:58.759",
    "epoch": 1783538698.759376,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"standing\"}]} ```",
    "latency_ms": 900,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:24:59.857",
    "epoch": 1783538699.8574274,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1093,
    "applied_label": "trying_to_sit",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:25:01.088",
    "epoch": 1783538701.0889661,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"walking\"}]} ```",
    "latency_ms": 941,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:25:02.093",
    "epoch": 1783538702.093667,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"walking\"}]} ```",
    "latency_ms": 959,
    "applied_label": "walking",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:25:03.179",
    "epoch": 1783538703.1794968,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1032,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:25:04.388",
    "epoch": 1783538704.388726,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1103,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:25:05.638",
    "epoch": 1783538705.638101,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1095,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:25:06.869",
    "epoch": 1783538706.869088,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"standing\"}]} ```",
    "latency_ms": 947,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:25:09.910",
    "epoch": 1783538709.9102886,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"standing\"}]} ```",
    "latency_ms": 1233,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:25:11.423",
    "epoch": 1783538711.423345,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"standing\"}]} ```",
    "latency_ms": 868,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:25:12.413",
    "epoch": 1783538712.4133768,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"walking\"}]} ```",
    "latency_ms": 884,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:25:13.464",
    "epoch": 1783538713.464412,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"standing\"}]} ```",
    "latency_ms": 861,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:25:14.667",
    "epoch": 1783538714.6670828,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 45px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"walking\"}]} ```",
    "latency_ms": 882,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:25:15.714",
    "epoch": 1783538715.7145283,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"standing\"}]} ```",
    "latency_ms": 885,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:25:16.775",
    "epoch": 1783538716.7750623,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"standing\"}]} ```",
    "latency_ms": 889,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:25:17.798",
    "epoch": 1783538717.7981653,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"walking\"}]} ```",
    "latency_ms": 930,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:25:18.847",
    "epoch": 1783538718.8473163,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 64px right over 3s and apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"walking\"}]} ```",
    "latency_ms": 913,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:25:20.448",
    "epoch": 1783538720.4483616,
    "track_id": 23,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 23, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 980,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:22.952",
    "epoch": 1783539802.9520643,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:43:24.009",
    "epoch": 1783539804.0095046,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:25.069",
    "epoch": 1783539805.0690658,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 836,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:26.691",
    "epoch": 1783539806.6915448,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 67px right over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 835,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:27.574",
    "epoch": 1783539807.574845,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:28.569",
    "epoch": 1783539808.570001,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 124px left over 3s and apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 851,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:29.617",
    "epoch": 1783539809.617952,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 164px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 833,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:30.608",
    "epoch": 1783539810.608875,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 101px left over 3s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 848,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:31.676",
    "epoch": 1783539811.6761034,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 48px right over 3s and apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1246,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:33.077",
    "epoch": 1783539813.0779128,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 832,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:34.158",
    "epoch": 1783539814.1583114,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 859,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:35.161",
    "epoch": 1783539815.161589,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 835,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:43:36.214",
    "epoch": 1783539816.2149365,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 62px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1244,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:43:37.623",
    "epoch": 1783539817.6233273,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 52px left over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 837,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:38.682",
    "epoch": 1783539818.6820714,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 163px left over 3s and apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 834,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:39.685",
    "epoch": 1783539819.6856928,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 124px left over 3s and apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:40.950",
    "epoch": 1783539820.9504151,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 901,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:41.982",
    "epoch": 1783539821.9829128,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 899,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:42.992",
    "epoch": 1783539822.9926684,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 893,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:43:44.057",
    "epoch": 1783539824.0570343,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 46px right over 3s and apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1346,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:43:45.461",
    "epoch": 1783539825.4619098,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 184px right over 3s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 892,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:47.076",
    "epoch": 1783539827.076693,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1022,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:48.181",
    "epoch": 1783539828.181599,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 901,
    "applied_label": "standing",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:43:49.183",
    "epoch": 1783539829.183938,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 872,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:43:50.233",
    "epoch": 1783539830.2337465,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 46px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 896,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:51.245",
    "epoch": 1783539831.246016,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 898,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:52.311",
    "epoch": 1783539832.3113785,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 892,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:53.303",
    "epoch": 1783539833.3038418,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 883,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:43:54.373",
    "epoch": 1783539834.3731294,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 864,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:43:55.373",
    "epoch": 1783539835.3736203,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 903,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:43:56.429",
    "epoch": 1783539836.429972,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 828,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:43:57.432",
    "epoch": 1783539837.4322157,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 145px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 813,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:43:58.509",
    "epoch": 1783539838.509196,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 218px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 873,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:43:59.490",
    "epoch": 1783539839.4905984,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 207px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 909,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:44:00.573",
    "epoch": 1783539840.5734282,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 110px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 899,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:44:01.563",
    "epoch": 1783539841.5638556,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 76px right over 2s and apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:44:02.620",
    "epoch": 1783539842.620251,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 826,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:44:03.621",
    "epoch": 1783539843.6219196,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 832,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:44:04.683",
    "epoch": 1783539844.6837118,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 117px left over 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:44:05.689",
    "epoch": 1783539845.689037,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 130px right over 1s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:44:07.114",
    "epoch": 1783539847.114629,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 241px right over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 903,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:44:08.160",
    "epoch": 1783539848.1608353,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 85px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 921,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:44:09.222",
    "epoch": 1783539849.222878,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 910,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:44:10.223",
    "epoch": 1783539850.2232742,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 904,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:44:11.284",
    "epoch": 1783539851.2848687,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 956,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:44:12.484",
    "epoch": 1783539852.484092,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:44:13.531",
    "epoch": 1783539853.531629,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 843,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:44:14.579",
    "epoch": 1783539854.5795035,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 136px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:44:15.590",
    "epoch": 1783539855.590997,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 228px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 910,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:44:16.645",
    "epoch": 1783539856.6460035,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 287px left over 3s and apparent size shrank 29% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 885,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:47:11.184",
    "epoch": 1783540031.1842668,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 987,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:47:12.226",
    "epoch": 1783540032.2269928,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 996,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:47:13.294",
    "epoch": 1783540033.2947161,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 961,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:47:14.534",
    "epoch": 1783540034.5342197,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 36% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 974,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:47:15.625",
    "epoch": 1783540035.6256034,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 92px right over 3s and apparent size grew 45% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 980,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:47:16.767",
    "epoch": 1783540036.7672136,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 88px right over 2s and apparent size grew 42% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 998,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:50:31.525",
    "epoch": 1783540231.5251248,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 874,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:50:32.631",
    "epoch": 1783540232.6314878,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 859,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:50:33.630",
    "epoch": 1783540233.630162,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px left over 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:50:34.677",
    "epoch": 1783540234.6775422,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 830,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:50:35.681",
    "epoch": 1783540235.681357,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:50:47.436",
    "epoch": 1783540247.4363866,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 860,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 19:51:00.642",
    "epoch": 1783540260.6424642,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 878,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:51:01.679",
    "epoch": 1783540261.6798782,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 127px left over 1s and apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 832,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:51:02.743",
    "epoch": 1783540262.743876,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 182px left over 2s and apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 828,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:51:03.749",
    "epoch": 1783540263.7491198,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 255px left over 3s and apparent size shrank 34% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 822,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:51:04.810",
    "epoch": 1783540264.8105185,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 94px left over 3s and apparent size shrank 39% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 795,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:51:05.812",
    "epoch": 1783540265.8127146,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 84px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:51:06.859",
    "epoch": 1783540266.859424,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 164px right over 3s and apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:51:07.870",
    "epoch": 1783540267.8709776,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 132px right over 3s and apparent size grew 38% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:51:08.932",
    "epoch": 1783540268.9321036,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 984,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:51:10.186",
    "epoch": 1783540270.1864254,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 76px left over 3s and apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 863,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 19:51:11.177",
    "epoch": 1783540271.1773298,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 60px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 861,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:51:25.993",
    "epoch": 1783540285.9933834,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 131px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 881,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 19:51:27.090",
    "epoch": 1783540287.0909033,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 200px left over 2s and apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 815,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 19:51:28.101",
    "epoch": 1783540288.1019459,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 287px left over 3s and apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 836,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:26:09.748",
    "epoch": 1783542369.7485933,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 888,
    "applied_label": "fall_candidate",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:26:10.727",
    "epoch": 1783542370.7277465,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 345,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:26:11.869",
    "epoch": 1783542371.869506,
    "track_id": 1,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 1013,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:26:11.907",
    "epoch": 1783542371.9070187,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1016,
    "applied_label": "trying_to_stand",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:26:12.966",
    "epoch": 1783542372.9660301,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px right over 3s and apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 986,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:26:14.021",
    "epoch": 1783542374.02127,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 68px right over 3s and apparent size grew 39% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 979,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:26:15.229",
    "epoch": 1783542375.2300036,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 990,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:26:16.269",
    "epoch": 1783542376.2695377,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 76px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 908,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:26:17.301",
    "epoch": 1783542377.3011692,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 70px left over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 978,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:26:18.544",
    "epoch": 1783542378.544479,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 987,
    "applied_label": "trying_to_sit",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:26:19.772",
    "epoch": 1783542379.7726657,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 927,
    "applied_label": "sitting",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:26:21.164",
    "epoch": 1783542381.164462,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 998,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:26:22.250",
    "epoch": 1783542382.250973,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 973,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:26:24.128",
    "epoch": 1783542384.1289535,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 992,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:26:25.385",
    "epoch": 1783542385.3856049,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 986,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:26:27.165",
    "epoch": 1783542387.1650312,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 984,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:26:29.414",
    "epoch": 1783542389.4149199,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 922,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:26:30.501",
    "epoch": 1783542390.501457,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 929,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:13.163",
    "epoch": 1783542433.1632693,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 953,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:27:14.253",
    "epoch": 1783542434.2534518,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 970,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:15.490",
    "epoch": 1783542435.4905746,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 959,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:16.501",
    "epoch": 1783542436.5013447,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 964,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:17.933",
    "epoch": 1783542437.933437,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 991,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:19.353",
    "epoch": 1783542439.3537316,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 936,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:20.440",
    "epoch": 1783542440.4405785,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 931,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:22.240",
    "epoch": 1783542442.2407174,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1045,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:23.329",
    "epoch": 1783542443.3297417,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 991,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:27:24.572",
    "epoch": 1783542444.5727684,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 978,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:25.601",
    "epoch": 1783542445.6011548,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 975,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:27.197",
    "epoch": 1783542447.197159,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1005,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 20:27:28.287",
    "epoch": 1783542448.2874386,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 976,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:29.520",
    "epoch": 1783542449.5200176,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 945,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
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    "timestamp": "2026-07-08 20:27:31.734",
    "epoch": 1783542451.734856,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1029,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 20:27:32.822",
    "epoch": 1783542452.8228292,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 969,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
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    "timestamp": "2026-07-08 20:27:34.626",
    "epoch": 1783542454.6263611,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 935,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
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    "timestamp": "2026-07-08 20:27:37.749",
    "epoch": 1783542457.7497804,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 906,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
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    "timestamp": "2026-07-08 20:27:41.681",
    "epoch": 1783542461.6819274,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 993,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:42.729",
    "epoch": 1783542462.72911,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 970,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:44.931",
    "epoch": 1783542464.9319818,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 987,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:46.028",
    "epoch": 1783542466.0285819,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 924,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:47.040",
    "epoch": 1783542467.0404885,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 924,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:48.089",
    "epoch": 1783542468.0891476,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 954,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:49.098",
    "epoch": 1783542469.0982037,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 951,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:50.159",
    "epoch": 1783542470.1593645,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 959,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:51.772",
    "epoch": 1783542471.7728565,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 916,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:54.253",
    "epoch": 1783542474.2538843,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 951,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:55.893",
    "epoch": 1783542475.8934789,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 942,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:57.133",
    "epoch": 1783542477.1334343,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1005,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:58.186",
    "epoch": 1783542478.186208,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 963,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:28:01.263",
    "epoch": 1783542481.2639267,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1000,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:28:07.455",
    "epoch": 1783542487.4553149,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 994,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:28:08.502",
    "epoch": 1783542488.5020218,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 969,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:28:09.551",
    "epoch": 1783542489.5519135,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 122px left over 3s and apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 984,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:28:10.790",
    "epoch": 1783542490.7904253,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 182px left over 3s and apparent size grew 48% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1020,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:28:12.029",
    "epoch": 1783542492.029787,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 84px left over 3s and apparent size grew 35% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 934,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:28:52.204",
    "epoch": 1783542532.2041652,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 981,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:28:53.306",
    "epoch": 1783542533.306184,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 81px left over 1s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 914,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:28:54.313",
    "epoch": 1783542534.3131385,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 99px left over 2s and apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 924,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:28:55.358",
    "epoch": 1783542535.3581295,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 73px left over 3s and apparent size shrank 48% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 955,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:29:09.355",
    "epoch": 1783542549.355656,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px left over 1s and apparent size grew 40% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 961,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:29:10.404",
    "epoch": 1783542550.4041612,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 96px left over 2s and apparent size grew 54% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 914,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:29:11.463",
    "epoch": 1783542551.4631808,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px left over 3s and apparent size grew 72% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 927,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:29:12.568",
    "epoch": 1783542552.5688796,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1002,
    "applied_label": "trying_to_sit",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:29:30.810",
    "epoch": 1783542570.810918,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 909,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:29:31.860",
    "epoch": 1783542571.8601096,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 100px left over 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 899,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:29:32.922",
    "epoch": 1783542572.922768,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 126px left over 2s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 898,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:29:33.929",
    "epoch": 1783542573.9296534,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 127px left over 3s and apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 889,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:29:34.981",
    "epoch": 1783542574.9815755,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1034,
    "applied_label": "trying_to_sit",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:29:36.219",
    "epoch": 1783542576.219999,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 906,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:29:37.229",
    "epoch": 1783542577.229496,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 899,
    "applied_label": "standing",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:29:38.651",
    "epoch": 1783542578.651851,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1010,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:29:39.705",
    "epoch": 1783542579.7059755,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 74px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 890,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:29:40.760",
    "epoch": 1783542580.7605288,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 83px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 884,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:29:41.770",
    "epoch": 1783542581.7706938,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 888,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:29:43.611",
    "epoch": 1783542583.611816,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 922,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:29:44.660",
    "epoch": 1783542584.6602247,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 76px right over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 904,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:29:45.710",
    "epoch": 1783542585.7104685,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 121px right over 3s and apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 899,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:29:46.721",
    "epoch": 1783542586.7216816,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 159px right over 3s and apparent size shrank 30% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 927,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:29:47.771",
    "epoch": 1783542587.771604,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 76px right over 3s and apparent size shrank 38% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 936,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:29:48.972",
    "epoch": 1783542588.9723318,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 36% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 901,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:29:50.213",
    "epoch": 1783542590.2139847,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 70px right over 3s and apparent size shrank 30% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 941,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:30:00.712",
    "epoch": 1783542600.7129056,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 48px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 915,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:30:01.812",
    "epoch": 1783542601.8122993,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 158px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 939,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:30:02.810",
    "epoch": 1783542602.8109875,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 252px left over 3s and apparent size grew 21% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 1090,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:30:04.053",
    "epoch": 1783542604.0530705,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 223px left over 3s and apparent size shrank 51% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 949,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:30:05.109",
    "epoch": 1783542605.1091733,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 89px left over 3s and apparent size shrank 34% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 925,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:30:06.155",
    "epoch": 1783542606.1557605,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 35% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 953,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:30:07.167",
    "epoch": 1783542607.1673217,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 35% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 951,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:30:23.640",
    "epoch": 1783542623.6402495,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 848,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:30:24.698",
    "epoch": 1783542624.6984997,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 890,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:30:25.739",
    "epoch": 1783542625.739472,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 900,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:30:26.941",
    "epoch": 1783542626.94106,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 928,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:30:29.421",
    "epoch": 1783542629.421892,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 894,
    "applied_label": "standing",
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    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:31:22.474",
    "epoch": 1783542682.474136,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 932,
    "applied_label": "sitting",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:31:24.302",
    "epoch": 1783542684.302686,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 978,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:31:26.147",
    "epoch": 1783542686.1477869,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 933,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:31:27.233",
    "epoch": 1783542687.2333853,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 950,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:31:28.248",
    "epoch": 1783542688.2486827,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 90px right over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1049,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:31:29.488",
    "epoch": 1783542689.488452,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 109px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 983,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:31:30.545",
    "epoch": 1783542690.54595,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 80px right over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 948,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:31:31.542",
    "epoch": 1783542691.542956,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 48px right over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 885,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:31:32.605",
    "epoch": 1783542692.6054752,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 976,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:31:35.223",
    "epoch": 1783542695.223625,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 906,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:31:36.316",
    "epoch": 1783542696.3165226,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 985,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:31:37.554",
    "epoch": 1783542697.5547097,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 973,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:31:38.611",
    "epoch": 1783542698.611905,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 995,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:31:39.806",
    "epoch": 1783542699.8066852,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 964,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:31:40.859",
    "epoch": 1783542700.8593516,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 1021,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:31:42.237",
    "epoch": 1783542702.2373435,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 965,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:31:43.332",
    "epoch": 1783542703.3323252,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 918,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:31:44.341",
    "epoch": 1783542704.3417835,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 962,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:31:45.396",
    "epoch": 1783542705.39643,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 976,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:31:46.636",
    "epoch": 1783542706.6367738,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 1005,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:31:47.879",
    "epoch": 1783542707.8791454,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 943,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:31:48.892",
    "epoch": 1783542708.892078,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 914,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:31:51.734",
    "epoch": 1783542711.7348704,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 978,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:31:57.922",
    "epoch": 1783542717.9228952,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 919,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:31:59.014",
    "epoch": 1783542719.0148163,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 53px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 857,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:32:00.019",
    "epoch": 1783542720.019848,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 83px right over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 882,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:32:01.069",
    "epoch": 1783542721.069764,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 99px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 947,
    "applied_label": "trying_to_stand",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:32:02.079",
    "epoch": 1783542722.0799294,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 997,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:32:03.140",
    "epoch": 1783542723.1408312,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 997,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:32:04.390",
    "epoch": 1783542724.390197,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 932,
    "applied_label": "fall_candidate",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:32:09.285",
    "epoch": 1783542729.285835,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 906,
    "applied_label": "fall_candidate",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:32:10.336",
    "epoch": 1783542730.336612,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 270,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:32:11.755",
    "epoch": 1783542731.7551503,
    "track_id": 4,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 986,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:32:11.793",
    "epoch": 1783542731.7939634,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 914,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:32:12.994",
    "epoch": 1783542732.9948413,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 918,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:32:14.049",
    "epoch": 1783542734.0493534,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px right over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 921,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:32:15.105",
    "epoch": 1783542735.1053488,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 939,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:32:16.116",
    "epoch": 1783542736.1161654,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 879,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:32:17.168",
    "epoch": 1783542737.1685865,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 896,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:32:18.176",
    "epoch": 1783542738.1764205,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 899,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:32:19.227",
    "epoch": 1783542739.2271051,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 943,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:32:20.238",
    "epoch": 1783542740.2386017,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 934,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:32:21.299",
    "epoch": 1783542741.2990613,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 892,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:32:22.293",
    "epoch": 1783542742.293553,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 859,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:32:23.355",
    "epoch": 1783542743.355575,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 868,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:32:24.365",
    "epoch": 1783542744.365486,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 867,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:32:25.417",
    "epoch": 1783542745.4175358,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 969,
    "applied_label": "trying_to_stand",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:32:26.431",
    "epoch": 1783542746.4317796,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 979,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:32:27.488",
    "epoch": 1783542747.4889133,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 913,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:32:28.496",
    "epoch": 1783542748.4968731,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 909,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:32:29.547",
    "epoch": 1783542749.5477407,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 949,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:32:30.556",
    "epoch": 1783542750.5560765,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 35% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 909,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:32:31.606",
    "epoch": 1783542751.6069403,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 912,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:32:32.623",
    "epoch": 1783542752.6238818,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 913,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:32:51.377",
    "epoch": 1783542771.377111,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 852,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:40:42.266",
    "epoch": 1783543242.2664454,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 868,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:40:43.316",
    "epoch": 1783543243.3161886,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:40:44.376",
    "epoch": 1783543244.3765895,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 934,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:40:45.375",
    "epoch": 1783543245.3758929,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px left over 3s and apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 873,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:40:46.435",
    "epoch": 1783543246.4354072,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 64px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 866,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:40:47.445",
    "epoch": 1783543247.445424,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:40:48.499",
    "epoch": 1783543248.4990594,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:40:49.505",
    "epoch": 1783543249.5056665,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 878,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:40:50.555",
    "epoch": 1783543250.5553164,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 881,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:40:51.564",
    "epoch": 1783543251.564249,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 834,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:40:52.625",
    "epoch": 1783543252.625842,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:40:53.635",
    "epoch": 1783543253.635125,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 915,
    "applied_label": "trying_to_stand",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:40:54.688",
    "epoch": 1783543254.6880717,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 98px left over 3s and apparent size shrank 37% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 843,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:40:55.697",
    "epoch": 1783543255.6979976,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 130px left over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 842,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:40:56.756",
    "epoch": 1783543256.7562597,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 172px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 861,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:40:57.755",
    "epoch": 1783543257.755863,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 173px left over 3s and apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:40:58.817",
    "epoch": 1783543258.8179278,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 223px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 875,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:40:59.829",
    "epoch": 1783543259.829639,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 144px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 961,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:41:03.320",
    "epoch": 1783543263.3201854,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 900,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:41:04.969",
    "epoch": 1783543264.9690835,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:41:06.209",
    "epoch": 1783543266.2095518,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 890,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:41:07.256",
    "epoch": 1783543267.256604,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 851,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:41:11.159",
    "epoch": 1783543271.160019,
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 911,
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    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:41:12.989",
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    "track_id": 6,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 972,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:41:14.090",
    "epoch": 1783543274.090564,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 120px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 969,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:41:15.339",
    "epoch": 1783543275.3396683,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 129px right over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 918,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:41:16.337",
    "epoch": 1783543276.337571,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 131px right over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 882,
    "applied_label": "fall_candidate",
    "previous_label": "trying_to_stand"
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  {
    "timestamp": "2026-07-08 20:41:17.571",
    "epoch": 1783543277.5711403,
    "track_id": 6,
    "request_type": "fall_verify",
    "zone": "floor",
    "movement_context": null,
    "frames_sent": 4,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 317,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:41:18.588",
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    "track_id": 6,
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    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1103,
    "applied_label": "trying_to_sit",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:41:18.629",
    "epoch": 1783543278.629782,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1004,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:41:19.863",
    "epoch": 1783543279.863062,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 872,
    "applied_label": "fall_candidate",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:41:21.245",
    "epoch": 1783543281.2453084,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 870,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 20:41:22.347",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 872,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 20:41:23.345",
    "epoch": 1783543283.3451335,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 856,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 20:41:24.406",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 868,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:41:25.414",
    "epoch": 1783543285.4147418,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 874,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:41:26.464",
    "epoch": 1783543286.4641511,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 869,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 20:41:27.475",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 867,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 20:41:28.526",
    "epoch": 1783543288.5263164,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 871,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 20:41:29.538",
    "epoch": 1783543289.5388744,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 875,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 20:41:30.597",
    "epoch": 1783543290.5978992,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 903,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
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    "timestamp": "2026-07-08 20:41:31.610",
    "epoch": 1783543291.6103182,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 909,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 20:41:32.661",
    "epoch": 1783543292.6619093,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 939,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
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    "timestamp": "2026-07-08 20:41:34.270",
    "epoch": 1783543294.271022,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 901,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:41:35.320",
    "epoch": 1783543295.320911,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 934,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 20:41:37.988",
    "epoch": 1783543297.9883013,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 893,
    "applied_label": "trying_to_stand",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 20:41:39.202",
    "epoch": 1783543299.2029228,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 875,
    "applied_label": "fall_candidate",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:41:40.265",
    "epoch": 1783543300.2654262,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 65px left over 3s and apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 873,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "epoch": 1783543301.3292122,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 887,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 20:41:45.596",
    "epoch": 1783543305.5968275,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 875,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
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    "timestamp": "2026-07-08 20:41:46.688",
    "epoch": 1783543306.6883879,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 861,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:41:47.695",
    "epoch": 1783543307.6952934,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 871,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 20:41:48.897",
    "epoch": 1783543308.8978236,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 853,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 20:41:49.995",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 864,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
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    "timestamp": "2026-07-08 20:41:51.189",
    "epoch": 1783543311.189378,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 883,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 20:41:52.237",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 838,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 871,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 20:41:56.326",
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    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 871,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 20:41:58.006",
    "epoch": 1783543318.0067,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:41:59.218",
    "epoch": 1783543319.2189524,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 953,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:00.312",
    "epoch": 1783543320.3122976,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 899,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:01.687",
    "epoch": 1783543321.6874428,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 859,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:02.926",
    "epoch": 1783543322.926747,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 851,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:04.027",
    "epoch": 1783543324.0278466,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 875,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:05.024",
    "epoch": 1783543325.024421,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:06.083",
    "epoch": 1783543326.083269,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:07.884",
    "epoch": 1783543327.8847272,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:09.114",
    "epoch": 1783543329.1147566,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 872,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:10.998",
    "epoch": 1783543330.9983628,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:12.046",
    "epoch": 1783543332.0464675,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 887,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:13.245",
    "epoch": 1783543333.2455997,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:14.335",
    "epoch": 1783543334.3359609,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 904,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:15.345",
    "epoch": 1783543335.3457813,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 918,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:16.409",
    "epoch": 1783543336.4098482,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 906,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:42:17.405",
    "epoch": 1783543337.4052327,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 906,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:42:19.845",
    "epoch": 1783543339.8454494,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:21.552",
    "epoch": 1783543341.5520446,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 896,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:22.596",
    "epoch": 1783543342.5964355,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:23.605",
    "epoch": 1783543343.6059408,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:24.655",
    "epoch": 1783543344.655449,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 21% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 870,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:25.664",
    "epoch": 1783543345.664364,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 867,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:26.716",
    "epoch": 1783543346.7168303,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 951,
    "applied_label": "trying_to_sit",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:42:27.767",
    "epoch": 1783543347.7673702,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 903,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:42:28.791",
    "epoch": 1783543348.7916071,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 900,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:42:29.797",
    "epoch": 1783543349.7976897,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 901,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:42:30.849",
    "epoch": 1783543350.8493276,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 922,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:42:32.638",
    "epoch": 1783543352.6388247,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 885,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:42:34.532",
    "epoch": 1783543354.5320992,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 899,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:42:35.818",
    "epoch": 1783543355.8186274,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 910,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:42:36.998",
    "epoch": 1783543356.9983802,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:42:38.046",
    "epoch": 1783543358.0465899,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 831,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:42:39.097",
    "epoch": 1783543359.0977423,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 26% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:42:40.105",
    "epoch": 1783543360.1059315,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 846,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:42:41.169",
    "epoch": 1783543361.1698246,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:42:42.177",
    "epoch": 1783543362.1777747,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:42:43.225",
    "epoch": 1783543363.225933,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:42:46.709",
    "epoch": 1783543366.7097583,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 860,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:42:47.768",
    "epoch": 1783543367.768048,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 842,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:42:48.778",
    "epoch": 1783543368.7785738,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px left over 3s and apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 841,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:42:49.838",
    "epoch": 1783543369.83874,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 900,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:42:50.840",
    "epoch": 1783543370.8402603,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 886,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:42:51.903",
    "epoch": 1783543371.9031377,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 865,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:42:52.908",
    "epoch": 1783543372.9081643,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 946,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:42:53.958",
    "epoch": 1783543373.9583354,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 838,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:42:55.979",
    "epoch": 1783543375.9791684,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 848,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:43:18.267",
    "epoch": 1783543398.2675433,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"standing\"}]} ```",
    "latency_ms": 823,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:43:19.487",
    "epoch": 1783543399.487432,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"standing\"}]} ```",
    "latency_ms": 916,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:43:32.591",
    "epoch": 1783543412.5911322,
    "track_id": 9,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 9, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:43:33.576",
    "epoch": 1783543413.5764313,
    "track_id": 9,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 9, \"activity\": \"standing\"}]} ```",
    "latency_ms": 822,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:43:38.256",
    "epoch": 1783543418.2564733,
    "track_id": 9,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 9, \"activity\": \"standing\"}]} ```",
    "latency_ms": 835,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:43:41.146",
    "epoch": 1783543421.1464763,
    "track_id": 9,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 9, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:43:42.617",
    "epoch": 1783543422.617341,
    "track_id": 9,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 9, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:43:43.666",
    "epoch": 1783543423.6665356,
    "track_id": 9,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 9, \"activity\": \"standing\"}]} ```",
    "latency_ms": 838,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:43:45.346",
    "epoch": 1783543425.3460903,
    "track_id": 9,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 9, \"activity\": \"standing\"}]} ```",
    "latency_ms": 893,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:43:46.366",
    "epoch": 1783543426.366948,
    "track_id": 9,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px left over 2s and apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 9, \"activity\": \"walking\"}]} ```",
    "latency_ms": 843,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:43:47.566",
    "epoch": 1783543427.5669732,
    "track_id": 9,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 98px left over 3s and apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 9, \"activity\": \"walking\"}]} ```",
    "latency_ms": 898,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:43:48.618",
    "epoch": 1783543428.6182702,
    "track_id": 9,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px left over 3s and apparent size shrank 30% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 9, \"activity\": \"walking\"}]} ```",
    "latency_ms": 894,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:43:49.682",
    "epoch": 1783543429.682547,
    "track_id": 9,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 39% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 9, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 971,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:44:09.445",
    "epoch": 1783543449.4457939,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"standing\"}]} ```",
    "latency_ms": 902,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:44:10.488",
    "epoch": 1783543450.4888601,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 933,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:44:20.995",
    "epoch": 1783543460.9956217,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:44:22.045",
    "epoch": 1783543462.045821,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 907,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:44:23.097",
    "epoch": 1783543463.0978172,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 907,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:44:24.109",
    "epoch": 1783543464.1100106,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 904,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:44:25.346",
    "epoch": 1783543465.3465638,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 928,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:44:26.409",
    "epoch": 1783543466.4095273,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 925,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:44:27.406",
    "epoch": 1783543467.406872,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 907,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:44:28.466",
    "epoch": 1783543468.4667938,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 40% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 10,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1308,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:44:29.887",
    "epoch": 1783543469.8871384,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 956,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:44:30.946",
    "epoch": 1783543470.946019,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"standing\"}]} ```",
    "latency_ms": 894,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:44:32.559",
    "epoch": 1783543472.5596685,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"standing\"}]} ```",
    "latency_ms": 912,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:44:33.598",
    "epoch": 1783543473.5983725,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 920,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:44:34.656",
    "epoch": 1783543474.6561065,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 966,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:44:35.668",
    "epoch": 1783543475.6688073,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 964,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:44:36.717",
    "epoch": 1783543476.7172902,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"standing\"}]} ```",
    "latency_ms": 928,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:44:37.728",
    "epoch": 1783543477.7286816,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"standing\"}]} ```",
    "latency_ms": 939,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:44:38.793",
    "epoch": 1783543478.7930229,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"standing\"}]} ```",
    "latency_ms": 923,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:44:39.800",
    "epoch": 1783543479.8006108,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"standing\"}]} ```",
    "latency_ms": 920,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:44:40.855",
    "epoch": 1783543480.856005,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 879,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:44:41.859",
    "epoch": 1783543481.8595798,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 882,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:44:42.908",
    "epoch": 1783543482.9082408,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 881,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:44:43.957",
    "epoch": 1783543483.9576306,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px right over 3s and apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 898,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:44:44.983",
    "epoch": 1783543484.9838812,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px right over 3s and apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 900,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:44:45.987",
    "epoch": 1783543485.9879134,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 57px right over 3s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 914,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:44:47.039",
    "epoch": 1783543487.039207,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px right over 3s and apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 908,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:44:48.049",
    "epoch": 1783543488.049102,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 69px right over 3s and apparent size grew 21% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 947,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:44:49.101",
    "epoch": 1783543489.1015472,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 129px right over 3s and apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 895,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:44:50.110",
    "epoch": 1783543490.110658,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1017,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:45:18.113",
    "epoch": 1783543518.1138592,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 1018,
    "applied_label": "fall_candidate",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:45:19.228",
    "epoch": 1783543519.2286294,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 270,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:45:20.425",
    "epoch": 1783543520.4251552,
    "track_id": 11,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 1004,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:45:20.466",
    "epoch": 1783543520.466672,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 925,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:45:21.478",
    "epoch": 1783543521.478875,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 922,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:45:22.530",
    "epoch": 1783543522.5301745,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 912,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:45:23.536",
    "epoch": 1783543523.5369198,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 979,
    "applied_label": "trying_to_sit",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:45:24.597",
    "epoch": 1783543524.5979753,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 906,
    "applied_label": "sitting",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:45:25.798",
    "epoch": 1783543525.798442,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 986,
    "applied_label": "trying_to_sit",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:45:27.217",
    "epoch": 1783543527.2175536,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 950,
    "applied_label": "fall_candidate",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:45:28.680",
    "epoch": 1783543528.6806273,
    "track_id": 12,
    "request_type": "fall_verify",
    "zone": "floor",
    "movement_context": null,
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 289,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:45:28.870",
    "epoch": 1783543528.8705518,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 983,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:45:30.326",
    "epoch": 1783543530.3265133,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 979,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:45:31.379",
    "epoch": 1783543531.379285,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 980,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:45:32.435",
    "epoch": 1783543532.4357007,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 939,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:45:33.448",
    "epoch": 1783543533.4480581,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 978,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:45:35.058",
    "epoch": 1783543535.058559,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 950,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:45:37.527",
    "epoch": 1783543537.527258,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:45:39.001",
    "epoch": 1783543539.0018454,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 958,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:45:40.239",
    "epoch": 1783543540.2396376,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 943,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:45:41.287",
    "epoch": 1783543541.2878926,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px left over 3s and apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 947,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:45:42.336",
    "epoch": 1783543542.336572,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 45px left over 3s and apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 942,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:45:43.347",
    "epoch": 1783543543.3477511,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 48px right over 3s and apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"walking\"}]} ```",
    "latency_ms": 896,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:45:44.408",
    "epoch": 1783543544.4088316,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 100px right over 3s and apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"walking\"}]} ```",
    "latency_ms": 901,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:23:24.477",
    "epoch": 1783545804.4780045,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 866,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 21:23:25.567",
    "epoch": 1783545805.5675526,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 103px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 820,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:23:26.576",
    "epoch": 1783545806.5764525,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 154px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 808,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:23:27.626",
    "epoch": 1783545807.6266336,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 156px left over 3s and apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 815,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:23:28.638",
    "epoch": 1783545808.638274,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 91px left over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 808,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:23:29.695",
    "epoch": 1783545809.6958995,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 78px left over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 820,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:23:30.901",
    "epoch": 1783545810.9012194,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:23:32.957",
    "epoch": 1783545812.9573991,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 912,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:23:34.195",
    "epoch": 1783545814.195776,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 829,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:23:35.247",
    "epoch": 1783545815.2477138,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 913,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:23:36.296",
    "epoch": 1783545816.2960467,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 840,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:23:39.325",
    "epoch": 1783545819.3252075,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 864,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:23:40.300",
    "epoch": 1783545820.3009832,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 49px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1290,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:23:41.664",
    "epoch": 1783545821.6648378,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 953,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:23:42.667",
    "epoch": 1783545822.667253,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 37% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 851,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:23:43.727",
    "epoch": 1783545823.7272298,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 98px left over 3s and apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 877,
    "applied_label": "walking",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:23:44.739",
    "epoch": 1783545824.7393317,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 126px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 886,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:23:45.791",
    "epoch": 1783545825.7910419,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 151px left over 3s and apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 805,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:23:46.798",
    "epoch": 1783545826.7989233,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 98px left over 3s and apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 819,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:23:47.858",
    "epoch": 1783545827.8581135,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 86px left over 3s and apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 859,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:23:48.871",
    "epoch": 1783545828.8716128,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 126px left over 3s and apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1340,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:23:50.329",
    "epoch": 1783545830.3299162,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 100px left over 3s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:23:51.383",
    "epoch": 1783545831.3839347,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:23:52.767",
    "epoch": 1783545832.7674756,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 842,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:23:57.308",
    "epoch": 1783545837.3087413,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 862,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:23:58.357",
    "epoch": 1783545838.3573415,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 157px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 924,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:23:59.410",
    "epoch": 1783545839.4103503,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 206px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1293,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:24:00.829",
    "epoch": 1783545840.8299177,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 149px right over 3s and apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 924,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:24:01.894",
    "epoch": 1783545841.8940923,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 371,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 21:24:03.086",
    "epoch": 1783545843.086405,
    "track_id": 1,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1112,
    "applied_label": "trying_to_sit",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 21:24:03.126",
    "epoch": 1783545843.1269639,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 74px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 874,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:24:04.356",
    "epoch": 1783545844.3566687,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 938,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:24:05.367",
    "epoch": 1783545845.3674357,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px right over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 871,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:24:06.436",
    "epoch": 1783545846.4363885,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px right over 3s and apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 877,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:24:07.669",
    "epoch": 1783545847.6699963,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 937,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:24:08.681",
    "epoch": 1783545848.6813724,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 958,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:24:09.910",
    "epoch": 1783545849.9100661,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 901,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:24:10.968",
    "epoch": 1783545850.9690008,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 895,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:24:11.977",
    "epoch": 1783545851.9772773,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 877,
    "applied_label": "fall_candidate",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:24:13.818",
    "epoch": 1783545853.818066,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 889,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 21:24:14.868",
    "epoch": 1783545854.8688483,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 842,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 21:24:15.975",
    "epoch": 1783545855.9754598,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 947,
    "applied_label": "trying_to_stand",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 21:24:17.157",
    "epoch": 1783545857.1572943,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
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    "vlm_label": "fallen",
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    "previous_label": "trying_to_sit"
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    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
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    "previous_label": "trying_to_sit"
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
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    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
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  {
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "fallen",
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    "previous_label": "trying_to_sit"
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
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    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
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    "previous_label": "trying_to_sit"
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    "request_type": "multi_classify",
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    "vlm_label": "fallen",
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    "latency_ms": 921,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
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    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 929,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 923,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 896,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
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  {
    "timestamp": "2026-07-08 21:27:48.457",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 928,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
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  {
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
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    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 889,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
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    "timestamp": "2026-07-08 21:27:51.533",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 943,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
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    "timestamp": "2026-07-08 21:27:52.592",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 918,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
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    "timestamp": "2026-07-08 21:27:53.600",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 888,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:27:54.653",
    "epoch": 1783546074.653221,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 913,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:27:55.672",
    "epoch": 1783546075.672766,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 941,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:27:56.711",
    "epoch": 1783546076.7118368,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 907,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:27:57.719",
    "epoch": 1783546077.7197587,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 907,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:27:58.787",
    "epoch": 1783546078.787194,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 944,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_sit"
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  {
    "timestamp": "2026-07-08 21:27:59.778",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 896,
    "applied_label": "fall_candidate",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:28:00.842",
    "epoch": 1783546080.8420327,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 940,
    "applied_label": "trying_to_stand",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 21:28:01.851",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 906,
    "applied_label": "fall_candidate",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:28:02.900",
    "epoch": 1783546082.900021,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 921,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 21:28:03.912",
    "epoch": 1783546083.9130018,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 900,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 21:28:05.337",
    "epoch": 1783546085.3374271,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 906,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 21:28:06.425",
    "epoch": 1783546086.425312,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 914,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 21:28:07.440",
    "epoch": 1783546087.4404457,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 917,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 21:28:08.816",
    "epoch": 1783546088.8164608,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1001,
    "applied_label": "trying_to_sit",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 21:28:10.059",
    "epoch": 1783546090.059694,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 922,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:28:11.159",
    "epoch": 1783546091.159021,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 919,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
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  {
    "timestamp": "2026-07-08 21:28:12.174",
    "epoch": 1783546092.1745303,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 916,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:28:13.220",
    "epoch": 1783546093.2202032,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 918,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:28:14.238",
    "epoch": 1783546094.2389088,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 923,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:28:15.279",
    "epoch": 1783546095.2798479,
    "track_id": 1,
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    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 942,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:15.597",
    "epoch": 1783546215.5976365,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 957,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:16.624",
    "epoch": 1783546216.624181,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 961,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:17.633",
    "epoch": 1783546217.6334558,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 933,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:18.684",
    "epoch": 1783546218.6841817,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 931,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:19.800",
    "epoch": 1783546219.8009222,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 943,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:20.929",
    "epoch": 1783546220.929735,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 942,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:21.982",
    "epoch": 1783546221.9825528,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 930,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:23.033",
    "epoch": 1783546223.0330284,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 67px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 936,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:24.050",
    "epoch": 1783546224.0503507,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px right over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 941,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:25.054",
    "epoch": 1783546225.0543087,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 46px right over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 946,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:26.118",
    "epoch": 1783546226.1189444,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 933,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:27.119",
    "epoch": 1783546227.119803,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 950,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:28.172",
    "epoch": 1783546228.1724553,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 875,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:29.180",
    "epoch": 1783546229.1808343,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 885,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:30.240",
    "epoch": 1783546230.2407913,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 957,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:31.247",
    "epoch": 1783546231.247657,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 897,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:32.304",
    "epoch": 1783546232.3045206,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px right over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 906,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:33.312",
    "epoch": 1783546233.3126009,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 930,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:34.364",
    "epoch": 1783546234.364334,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 876,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:35.414",
    "epoch": 1783546235.4144473,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 885,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:36.508",
    "epoch": 1783546236.5083084,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 925,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:37.660",
    "epoch": 1783546237.6608784,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px left over 3s and apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"fallen\"     }   ] } ```",
    "latency_ms": 1347,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:39.092",
    "epoch": 1783546239.0925927,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 939,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:30:40.141",
    "epoch": 1783546240.1418715,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 918,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:30:41.153",
    "epoch": 1783546241.1538851,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 974,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:30:42.204",
    "epoch": 1783546242.204123,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 950,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:30:43.311",
    "epoch": 1783546243.311185,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 952,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:30:44.451",
    "epoch": 1783546244.4515674,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px left over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 928,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:30:45.517",
    "epoch": 1783546245.5174017,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 901,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:30:46.511",
    "epoch": 1783546246.511704,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 930,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:30:47.940",
    "epoch": 1783546247.9406612,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 937,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:30:48.992",
    "epoch": 1783546248.9924436,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:30:50.416",
    "epoch": 1783546250.4167087,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 913,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:30:51.480",
    "epoch": 1783546251.4802954,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:30:52.523",
    "epoch": 1783546252.523058,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 950,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:30:56.381",
    "epoch": 1783546256.3815084,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 955,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:30:57.478",
    "epoch": 1783546257.47868,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 65px right over 3s and apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 933,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:30:58.490",
    "epoch": 1783546258.4908667,
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    "request_type": "multi_classify",
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    "movement_context": "Person moved 66px right over 3s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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  {
    "timestamp": "2026-07-08 21:30:59.539",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px right over 3s and apparent size grew 14% (moving TOWARD camera).",
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    "camera_id": "213",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
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    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 2s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "movement_context": "Person moved 49px right over 3s.",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "timestamp": "2026-07-08 21:31:06.741",
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
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    "request_type": "multi_classify",
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    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
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    "track_id": 1,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-08 21:31:22.244",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
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    "timestamp": "2026-07-08 21:31:23.247",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 48px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1371,
    "applied_label": "walking",
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    "timestamp": "2026-07-08 21:31:24.716",
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    "track_id": 1,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
    "previous_label": "walking"
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    "timestamp": "2026-07-08 21:31:25.724",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-08 21:31:29.029",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 53px left over 3s.",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "timestamp": "2026-07-08 21:31:36.684",
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
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    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
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    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 884,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:31:54.985",
    "epoch": 1783546314.9856348,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 958,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:31:59.108",
    "epoch": 1783546319.1082282,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 894,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:32:00.216",
    "epoch": 1783546320.2165089,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 922,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:32:01.211",
    "epoch": 1783546321.2119405,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1003,
    "applied_label": "trying_to_sit",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:32:02.272",
    "epoch": 1783546322.2723632,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 936,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:32:03.288",
    "epoch": 1783546323.2880285,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 910,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:32:04.333",
    "epoch": 1783546324.3334239,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 918,
    "applied_label": "standing",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:32:05.343",
    "epoch": 1783546325.3433857,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 57px left over 3s and apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 902,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:32:06.392",
    "epoch": 1783546326.3929532,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:32:07.403",
    "epoch": 1783546327.4030907,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 948,
    "applied_label": "trying_to_stand",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-08 21:32:08.463",
    "epoch": 1783546328.463892,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 38% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
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  {
    "timestamp": "2026-07-08 21:32:09.478",
    "epoch": 1783546329.4786417,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 3s and apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 911,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
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  {
    "timestamp": "2026-07-08 21:32:10.525",
    "epoch": 1783546330.525597,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 57px left over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 907,
    "applied_label": "walking",
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    "timestamp": "2026-07-08 21:32:11.534",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
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    "timestamp": "2026-07-08 21:32:13.592",
    "epoch": 1783546333.5921984,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
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    "timestamp": "2026-07-08 21:32:14.652",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-08 21:32:16.715",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "standing",
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "previous_label": "standing"
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    "timestamp": "2026-07-08 21:32:21.856",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-08 21:32:22.907",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-08 21:32:25.978",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-08 21:32:27.035",
    "epoch": 1783546347.035357,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 887,
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  {
    "timestamp": "2026-07-08 21:32:28.045",
    "epoch": 1783546348.0456538,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 879,
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    "timestamp": "2026-07-08 21:32:29.099",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
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  {
    "timestamp": "2026-07-08 21:32:30.106",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-08 21:32:31.167",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "applied_label": "walking",
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  {
    "timestamp": "2026-07-08 21:32:32.165",
    "epoch": 1783546352.1659765,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px left over 3s and apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
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  {
    "timestamp": "2026-07-08 21:32:33.232",
    "epoch": 1783546353.2324898,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-08 21:32:34.232",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
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    "timestamp": "2026-07-08 21:32:35.704",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 125px left over 3s and apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1267,
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  {
    "timestamp": "2026-07-08 21:32:37.123",
    "epoch": 1783546357.1232688,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 171px left over 3s and apparent size grew 36% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "applied_label": "walking",
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    "timestamp": "2026-07-08 21:32:38.173",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 966,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:34:24.895",
    "epoch": 1783546464.8951204,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 979,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:34:26.078",
    "epoch": 1783546466.0785177,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1017,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:34:32.446",
    "epoch": 1783546472.4467633,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:34:36.356",
    "epoch": 1783546476.3563726,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 930,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:34:37.442",
    "epoch": 1783546477.4428885,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 923,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:34:38.454",
    "epoch": 1783546478.4549952,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 911,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:34:39.514",
    "epoch": 1783546479.514544,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1020,
    "applied_label": "trying_to_sit",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:34:40.743",
    "epoch": 1783546480.7438078,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 929,
    "applied_label": "sitting",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:34:42.767",
    "epoch": 1783546482.7671328,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1400,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:34:44.236",
    "epoch": 1783546484.2362437,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 918,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:34:46.067",
    "epoch": 1783546486.0676038,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 922,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:34:51.428",
    "epoch": 1783546491.428392,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 933,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:34:52.483",
    "epoch": 1783546492.4833071,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 931,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:34:53.678",
    "epoch": 1783546493.6788435,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 957,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:34:54.774",
    "epoch": 1783546494.7742548,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 971,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:34:56.390",
    "epoch": 1783546496.3907802,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 990,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
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  {
    "timestamp": "2026-07-08 21:34:57.478",
    "epoch": 1783546497.4785385,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 984,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:34:59.464",
    "epoch": 1783546499.4645174,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 916,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:35:00.558",
    "epoch": 1783546500.5584211,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 964,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:35:02.756",
    "epoch": 1783546502.7561085,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 919,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:35:04.637",
    "epoch": 1783546504.637472,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 914,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 21:35:06.284",
    "epoch": 1783546506.28496,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 946,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 21:35:08.119",
    "epoch": 1783546508.1194313,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 937,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 21:35:09.227",
    "epoch": 1783546509.2279105,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 943,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 21:35:10.234",
    "epoch": 1783546510.2344854,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 965,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 21:35:11.286",
    "epoch": 1783546511.286749,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 971,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 21:35:12.530",
    "epoch": 1783546512.530919,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 958,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 21:35:13.639",
    "epoch": 1783546513.6392252,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:35:14.776",
    "epoch": 1783546514.7764697,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 870,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 21:35:15.826",
    "epoch": 1783546515.8260982,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 919,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 21:35:17.198",
    "epoch": 1783546517.1983976,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 959,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 21:35:18.310",
    "epoch": 1783546518.3102982,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 980,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 21:35:19.551",
    "epoch": 1783546519.5511208,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 945,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 21:35:20.554",
    "epoch": 1783546520.5543342,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 917,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 21:35:21.792",
    "epoch": 1783546521.7923985,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 922,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 21:35:22.844",
    "epoch": 1783546522.844298,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 955,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-08 21:35:25.279",
    "epoch": 1783546525.2792594,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 955,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:35:26.507",
    "epoch": 1783546526.5078204,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 908,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 21:35:27.570",
    "epoch": 1783546527.5704868,
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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  {
    "timestamp": "2026-07-08 21:35:28.627",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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  {
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    "request_type": "multi_classify",
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    "vlm_label": "walking",
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  {
    "timestamp": "2026-07-08 21:35:30.686",
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    "camera_id": "213",
    "vlm_label": "walking",
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    "latency_ms": 920,
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  {
    "timestamp": "2026-07-08 21:35:31.695",
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  {
    "timestamp": "2026-07-08 21:35:32.747",
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  {
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  {
    "timestamp": "2026-07-08 21:35:34.814",
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  {
    "timestamp": "2026-07-08 21:35:35.844",
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    "track_id": 1,
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    "vlm_label": "walking",
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  {
    "timestamp": "2026-07-08 21:35:58.887",
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  {
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  {
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    "vlm_label": "walking",
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    "track_id": 1,
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  {
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  {
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    "request_type": "multi_classify",
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  {
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "vlm_label": "standing",
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    "timestamp": "2026-07-08 21:36:13.375",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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  {
    "timestamp": "2026-07-08 21:36:14.977",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
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    "frames_sent": 2,
    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
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  {
    "timestamp": "2026-07-08 21:36:16.087",
    "epoch": 1783546576.08757,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 944,
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  {
    "timestamp": "2026-07-08 21:36:17.905",
    "epoch": 1783546577.9051025,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 979,
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  {
    "timestamp": "2026-07-08 21:36:19.110",
    "epoch": 1783546579.1100407,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 923,
    "applied_label": "standing",
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  {
    "timestamp": "2026-07-08 21:36:20.204",
    "epoch": 1783546580.2047508,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 861,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:36:21.223",
    "epoch": 1783546581.2238479,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 111px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 942,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:36:22.277",
    "epoch": 1783546582.2778542,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 143px right over 3s and apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 915,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:36:23.288",
    "epoch": 1783546583.288457,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 215px right over 3s and apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 918,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:36:32.327",
    "epoch": 1783546592.3271441,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 921,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 21:36:33.414",
    "epoch": 1783546593.4142518,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 93px left over 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 920,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:36:34.427",
    "epoch": 1783546594.4273572,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 151px left over 2s and apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:36:35.474",
    "epoch": 1783546595.4749112,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 182px left over 3s and apparent size shrank 33% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 887,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:36:36.487",
    "epoch": 1783546596.4875095,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 119px left over 3s and apparent size shrank 35% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 911,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:36:37.548",
    "epoch": 1783546597.5480218,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 91px left over 3s and apparent size shrank 29% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 878,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:36:38.543",
    "epoch": 1783546598.5430489,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px left over 3s and apparent size shrank 28% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 936,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:36:39.608",
    "epoch": 1783546599.608976,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 946,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:36:40.619",
    "epoch": 1783546600.619568,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 33% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 877,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:36:42.628",
    "epoch": 1783546602.628208,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 29% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 878,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:36:48.407",
    "epoch": 1783546608.4072735,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 858,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 21:36:49.504",
    "epoch": 1783546609.504263,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 936,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:38:02.928",
    "epoch": 1783546682.928901,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 901,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:38:03.974",
    "epoch": 1783546683.9741993,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 889,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:38:05.166",
    "epoch": 1783546685.1666875,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 871,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:38:08.291",
    "epoch": 1783546688.2912052,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 912,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:38:09.938",
    "epoch": 1783546689.9389505,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 909,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:38:11.355",
    "epoch": 1783546691.3557782,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:38:14.476",
    "epoch": 1783546694.4762568,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:38:15.537",
    "epoch": 1783546695.5379417,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 910,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:38:16.583",
    "epoch": 1783546696.583964,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 900,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:38:17.988",
    "epoch": 1783546697.9884765,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 904,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:38:20.666",
    "epoch": 1783546700.6667523,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 42% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 830,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:38:21.724",
    "epoch": 1783546701.7249622,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 40px left over 2s and apparent size grew 62% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 837,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:38:22.774",
    "epoch": 1783546702.7745936,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 90% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 912,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:38:23.787",
    "epoch": 1783546703.7875667,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 81px right over 3s and apparent size grew 64% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 875,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:38:24.848",
    "epoch": 1783546704.8487477,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 133px right over 3s and apparent size grew 56% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 857,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:38:25.855",
    "epoch": 1783546705.8550813,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 985,
    "applied_label": "trying_to_sit",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:38:27.038",
    "epoch": 1783546707.0385296,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 981,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:28.145",
    "epoch": 1783546708.1453319,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1006,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:29.384",
    "epoch": 1783546709.3841767,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 928,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:30.394",
    "epoch": 1783546710.3945887,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 849,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:31.442",
    "epoch": 1783546711.4429665,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 861,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:32.452",
    "epoch": 1783546712.452772,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 861,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:33.505",
    "epoch": 1783546713.5055819,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 883,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:34.515",
    "epoch": 1783546714.5155783,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 902,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:35.576",
    "epoch": 1783546715.5760233,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 906,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:36.586",
    "epoch": 1783546716.586598,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 870,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:37.818",
    "epoch": 1783546717.8187463,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 887,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:38.879",
    "epoch": 1783546718.8793566,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 999,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:40.123",
    "epoch": 1783546720.1232655,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 901,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:41.134",
    "epoch": 1783546721.1340785,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 873,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:42.176",
    "epoch": 1783546722.1765563,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 856,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:43.187",
    "epoch": 1783546723.1877148,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 899,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:44.239",
    "epoch": 1783546724.2396886,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 923,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:45.281",
    "epoch": 1783546725.2814028,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 874,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:49.145",
    "epoch": 1783546729.1457117,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 888,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:52.216",
    "epoch": 1783546732.2166014,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 878,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:53.313",
    "epoch": 1783546733.313978,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 857,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:57.164",
    "epoch": 1783546737.1646867,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 862,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:38:59.047",
    "epoch": 1783546739.0474029,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 872,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:39:01.526",
    "epoch": 1783546741.5269878,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 863,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:39:02.586",
    "epoch": 1783546742.586417,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 854,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:39:03.818",
    "epoch": 1783546743.8183773,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 64px left over 3s and apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 910,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 21:39:04.875",
    "epoch": 1783546744.8755102,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 84px left over 3s and apparent size grew 45% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 5,       \"activity\": \"trying_to_stand\"     }   ] } ```",
    "latency_ms": 1258,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:39:06.304",
    "epoch": 1783546746.3048437,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 949,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:39:07.344",
    "epoch": 1783546747.344279,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1003,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:39:08.597",
    "epoch": 1783546748.5975056,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 117px left over 3s and apparent size shrank 29% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 883,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:39:09.593",
    "epoch": 1783546749.5939887,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 906,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:39:10.653",
    "epoch": 1783546750.6532733,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 56% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 921,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:39:11.662",
    "epoch": 1783546751.6625774,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 60px right over 3s and apparent size shrank 42% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 891,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:39:12.714",
    "epoch": 1783546752.7144432,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 32% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 906,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:39:13.735",
    "epoch": 1783546753.735257,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 896,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:39:16.593",
    "epoch": 1783546756.59368,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 899,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:39:19.456",
    "epoch": 1783546759.4564009,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 907,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:39:21.108",
    "epoch": 1783546761.1083014,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 953,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:39:22.793",
    "epoch": 1783546762.7939408,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 921,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:39:24.641",
    "epoch": 1783546764.6412652,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:39:25.698",
    "epoch": 1783546765.6989925,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 883,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:44:38.697",
    "epoch": 1783547078.697493,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 49px left over 1s and apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 888,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 21:44:39.755",
    "epoch": 1783547079.7552297,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 98px left over 2s and apparent size grew 55% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1326,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:44:41.226",
    "epoch": 1783547081.2266157,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 196px left over 3s and apparent size grew 64% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 866,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:47:38.817",
    "epoch": 1783547258.8173628,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 21:47:41.937",
    "epoch": 1783547261.9377697,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 92px right over 2s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 838,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:47:42.992",
    "epoch": 1783547262.9927437,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 210px right over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:48:10.176",
    "epoch": 1783547290.1765237,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 867,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 21:48:11.282",
    "epoch": 1783547291.2825396,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 911,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:48:12.294",
    "epoch": 1783547292.2944684,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 904,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:48:13.342",
    "epoch": 1783547293.3423262,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 921,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:48:14.358",
    "epoch": 1783547294.3583684,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 81px right over 3s and apparent size grew 59% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1223,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:48:15.827",
    "epoch": 1783547295.827634,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 118px right over 3s and apparent size grew 85% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 837,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 21:48:16.835",
    "epoch": 1783547296.8350608,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 186px right over 3s and apparent size grew 84% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 835,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:49:13.558",
    "epoch": 1783547353.558544,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 947,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 21:49:14.613",
    "epoch": 1783547354.6131754,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 132px left over 1s and apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 873,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 21:49:15.663",
    "epoch": 1783547355.6639564,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 202px left over 2s and apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 894,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:49:16.677",
    "epoch": 1783547356.6779847,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 255px left over 3s and apparent size shrank 39% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1331,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:49:18.144",
    "epoch": 1783547358.1441774,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px left over 3s and apparent size shrank 38% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 915,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:49:19.146",
    "epoch": 1783547359.1468565,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 908,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:49:20.203",
    "epoch": 1783547360.203999,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 896,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:49:21.215",
    "epoch": 1783547361.2157629,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:49:22.409",
    "epoch": 1783547362.4094605,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 902,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:49:23.640",
    "epoch": 1783547363.6402256,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 894,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:49:24.745",
    "epoch": 1783547364.7459443,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 930,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:49:27.769",
    "epoch": 1783547367.7698917,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 912,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:49:29.239",
    "epoch": 1783547369.2398634,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 924,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:49:31.296",
    "epoch": 1783547371.2969844,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 963,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:49:32.541",
    "epoch": 1783547372.5413976,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 947,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:49:33.598",
    "epoch": 1783547373.598924,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 938,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:49:35.609",
    "epoch": 1783547375.6099925,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 881,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:49:36.716",
    "epoch": 1783547376.7163053,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 914,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:49:37.731",
    "epoch": 1783547377.7315722,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 981,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:49:38.778",
    "epoch": 1783547378.7784219,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 972,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:49:40.013",
    "epoch": 1783547380.0138597,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 89px right over 3s and apparent size grew 61% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 908,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:53:54.787",
    "epoch": 1783547634.7871914,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 21:53:57.913",
    "epoch": 1783547637.913432,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 71px left over 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1304,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:53:59.376",
    "epoch": 1783547639.3761442,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 46px left over 2s and apparent size shrank 35% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1285,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:54:00.837",
    "epoch": 1783547640.837534,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 52px left over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1354,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:54:02.257",
    "epoch": 1783547642.257424,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 36% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1424,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:54:03.920",
    "epoch": 1783547643.9201343,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1292,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:54:05.373",
    "epoch": 1783547645.373936,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 959,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:54:06.985",
    "epoch": 1783547646.985906,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1352,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:54:08.444",
    "epoch": 1783547648.4443653,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1360,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:54:09.917",
    "epoch": 1783547649.917348,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 928,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:54:12.949",
    "epoch": 1783547652.9491394,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 969,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:54:14.178",
    "epoch": 1783547654.179012,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 930,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:54:15.464",
    "epoch": 1783547655.4644897,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 943,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:54:17.300",
    "epoch": 1783547657.300176,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 991,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:54:18.357",
    "epoch": 1783547658.3579047,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1423,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:54:20.008",
    "epoch": 1783547660.0081787,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1398,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:54:21.475",
    "epoch": 1783547661.4754407,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 941,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:54:22.888",
    "epoch": 1783547662.8887515,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 973,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:54:23.948",
    "epoch": 1783547663.9483142,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1469,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:54:25.610",
    "epoch": 1783547665.610509,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1357,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:54:27.029",
    "epoch": 1783547667.0296092,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 958,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:54:28.077",
    "epoch": 1783547668.0775883,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:54:29.085",
    "epoch": 1783547669.0854878,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 102px right over 3s and apparent size grew 77% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1387,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 21:57:47.356",
    "epoch": 1783547867.3563354,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 21:57:48.414",
    "epoch": 1783547868.4141662,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 2,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1313,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:57:49.883",
    "epoch": 1783547869.88386,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 49px right over 3s and apparent size grew 55% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 945,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:57:50.894",
    "epoch": 1783547870.8948946,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 109px right over 3s and apparent size grew 53% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 946,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:57:51.944",
    "epoch": 1783547871.9445488,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 904,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 21:59:02.657",
    "epoch": 1783547942.65743,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 925,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 21:59:03.757",
    "epoch": 1783547943.7577786,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 908,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:59:04.768",
    "epoch": 1783547944.7683082,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 884,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:59:05.827",
    "epoch": 1783547945.8279257,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 873,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 21:59:06.826",
    "epoch": 1783547946.8262928,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 22:23:34.976",
    "epoch": 1783549414.9766307,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 863,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 22:23:36.072",
    "epoch": 1783549416.0724428,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 41% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1215,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 22:23:37.494",
    "epoch": 1783549417.494395,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 95px right over 3s and apparent size grew 67% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1258,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 22:23:38.914",
    "epoch": 1783549418.9148853,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 252px right over 3s and apparent size grew 72% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 881,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:23:39.974",
    "epoch": 1783549419.9740214,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 197px right over 2s and apparent size grew 53% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 882,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:23:40.987",
    "epoch": 1783549420.9872496,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 117px right over 1s and apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1220,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:23:51.068",
    "epoch": 1783549431.069,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 826,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:23:51.949",
    "epoch": 1783549431.949036,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 115px left over 1s and apparent size grew 38% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 912,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:23:52.959",
    "epoch": 1783549432.959363,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 163px left over 2s and apparent size grew 34% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1325,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:23:54.417",
    "epoch": 1783549434.417753,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 82px right over 2s and apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1297,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:24:29.638",
    "epoch": 1783549469.638761,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 825,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 22:24:30.749",
    "epoch": 1783549470.7496345,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px left over 1s and apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 841,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 22:24:31.745",
    "epoch": 1783549471.745856,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:24:32.795",
    "epoch": 1783549472.7950892,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 92px left over 3s and apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1303,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:24:34.218",
    "epoch": 1783549474.2180247,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px left over 3s and apparent size shrank 47% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 876,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:24:35.286",
    "epoch": 1783549475.2863386,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:26:57.788",
    "epoch": 1783549617.788454,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1232,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 22:26:59.078",
    "epoch": 1783549619.0785584,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1276,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 22:27:00.546",
    "epoch": 1783549620.5463197,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 109px left over 3s and apparent size shrank 52% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1291,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:27:01.965",
    "epoch": 1783549621.9651046,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:27:26.090",
    "epoch": 1783549646.09037,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px left over 1s and apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1214,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:27:27.368",
    "epoch": 1783549647.3689675,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 107px left over 2s and apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1261,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:27:28.785",
    "epoch": 1783549648.7855947,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1309,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:27:50.017",
    "epoch": 1783549670.0175743,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 60px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 883,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:27:51.859",
    "epoch": 1783549671.8591592,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 882,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:36:46.536",
    "epoch": 1783550206.536886,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1243,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 22:36:47.996",
    "epoch": 1783550207.9960535,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 127px left over 2s and apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 869,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 22:36:49.047",
    "epoch": 1783550209.047186,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 154px left over 3s and apparent size grew 51% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1281,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:41:02.397",
    "epoch": 1783550462.3975549,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 870,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 22:41:03.456",
    "epoch": 1783550463.4562762,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 77px left over 2s and apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 22:41:04.506",
    "epoch": 1783550464.5065885,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 74px left over 3s and apparent size shrank 29% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 880,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:41:05.546",
    "epoch": 1783550465.5469203,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:41:06.579",
    "epoch": 1783550466.579409,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 175px right over 3s and apparent size shrank 57% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 864,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:41:07.575",
    "epoch": 1783550467.575867,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 276px right over 3s and apparent size shrank 40% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 875,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:44:59.696",
    "epoch": 1783550699.6961427,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 857,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:45:00.755",
    "epoch": 1783550700.7552447,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 106px left over 2s and apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 866,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:45:01.806",
    "epoch": 1783550701.8063478,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 92px left over 3s and apparent size grew 47% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 866,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:45:02.814",
    "epoch": 1783550702.8140798,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 65px right over 3s and apparent size grew 66% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1267,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 22:45:31.066",
    "epoch": 1783550731.0664177,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 857,
    "applied_label": "fall_candidate",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:45:32.116",
    "epoch": 1783550732.1166556,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 70px left over 1s and apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 282,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 22:45:32.534",
    "epoch": 1783550732.5346832,
    "track_id": 3,
    "request_type": "fall_verify",
    "zone": "floor",
    "movement_context": null,
    "frames_sent": 3,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 205,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 22:45:32.945",
    "epoch": 1783550732.9453702,
    "track_id": 3,
    "request_type": "fall_verify",
    "zone": "floor",
    "movement_context": null,
    "frames_sent": 4,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 1000,
    "applied_label": "walking",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 22:45:33.175",
    "epoch": 1783550733.1756246,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px left over 2s and apparent size shrank 31% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "FALSE_ALARM_BENDING",
    "raw_response": "FALSE_ALARM_BENDING",
    "latency_ms": 287,
    "applied_label": null,
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:45:34.546",
    "epoch": 1783550734.5464625,
    "track_id": 3,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1225,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:45:34.596",
    "epoch": 1783550734.596608,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px right over 3s and apparent size shrank 63% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 848,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:48:57.406",
    "epoch": 1783550937.406278,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 860,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 22:48:58.465",
    "epoch": 1783550938.465393,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 84px left over 2s and apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 864,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 22:48:59.524",
    "epoch": 1783550939.524928,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 57px left over 3s and apparent size grew 50% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:49:00.535",
    "epoch": 1783550940.5354314,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 59% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1271,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 22:57:14.707",
    "epoch": 1783551434.707197,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 862,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 22:57:15.765",
    "epoch": 1783551435.76553,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"standing\"}]} ```",
    "latency_ms": 826,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 22:57:16.824",
    "epoch": 1783551436.8248222,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 6,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1186,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 22:57:18.067",
    "epoch": 1783551438.0676732,
    "track_id": 6,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 40% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 6, \"activity\": \"walking\"}]} ```",
    "latency_ms": 837,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 23:19:35.145",
    "epoch": 1783552775.14585,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"standing\"}]} ```",
    "latency_ms": 829,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 23:19:36.029",
    "epoch": 1783552776.0296755,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 1s and apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"walking\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 23:19:37.025",
    "epoch": 1783552777.0254514,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 2s and apparent size grew 47% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 8,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1260,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:19:51.656",
    "epoch": 1783552791.6562717,
    "track_id": 9,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 92px left over 1s and apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 9, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 23:19:52.715",
    "epoch": 1783552792.7159793,
    "track_id": 9,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 150px left over 2s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 9, \"activity\": \"walking\"}]} ```",
    "latency_ms": 872,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:19:53.763",
    "epoch": 1783552793.7634292,
    "track_id": 9,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 181px left over 3s and apparent size grew 36% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 9, \"activity\": \"walking\"}]} ```",
    "latency_ms": 846,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:19:54.776",
    "epoch": 1783552794.776029,
    "track_id": 9,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 163px left over 3s and apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 9,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1253,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:31:36.726",
    "epoch": 1783553496.7265193,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 49px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 880,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 23:31:37.825",
    "epoch": 1783553497.8259943,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 166px left over 2s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 887,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:31:38.835",
    "epoch": 1783553498.8358397,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 251px left over 3s and apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 10,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1296,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:31:40.307",
    "epoch": 1783553500.3071334,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 138px left over 3s and apparent size shrank 51% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 891,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:32:09.559",
    "epoch": 1783553529.5591729,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 34% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 884,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:32:10.615",
    "epoch": 1783553530.6150863,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 38% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 10,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1280,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:32:12.086",
    "epoch": 1783553532.0861065,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 114px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 880,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:32:13.085",
    "epoch": 1783553533.085478,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 187px right over 3s and apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 877,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:32:14.145",
    "epoch": 1783553534.145329,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 148px right over 3s and apparent size grew 49% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 10, \"activity\": \"walking\"}]} ```",
    "latency_ms": 884,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:32:15.176",
    "epoch": 1783553535.1763227,
    "track_id": 10,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 155px right over 3s and apparent size grew 67% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 10,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1254,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:35:59.847",
    "epoch": 1783553759.8472533,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 79px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"walking\"}]} ```",
    "latency_ms": 886,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 23:36:00.897",
    "epoch": 1783553760.897607,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 149px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"walking\"}]} ```",
    "latency_ms": 883,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:36:01.956",
    "epoch": 1783553761.95633,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 186px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"walking\"}]} ```",
    "latency_ms": 889,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:36:02.964",
    "epoch": 1783553762.9644833,
    "track_id": 11,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 116px left over 3s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 11, \"activity\": \"walking\"}]} ```",
    "latency_ms": 891,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:39:09.866",
    "epoch": 1783553949.8667748,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px right over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 12, \"activity\": \"walking\"}]} ```",
    "latency_ms": 883,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 23:39:10.966",
    "epoch": 1783553950.9669354,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 12,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1254,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:39:12.385",
    "epoch": 1783553952.3853326,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 12, \"activity\": \"standing\"}]} ```",
    "latency_ms": 877,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:39:13.446",
    "epoch": 1783553953.4464273,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 34% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 12, \"activity\": \"walking\"}]} ```",
    "latency_ms": 875,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 23:39:14.454",
    "epoch": 1783553954.4549236,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 12, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:39:15.506",
    "epoch": 1783553955.5068307,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 12, \"activity\": \"standing\"}]} ```",
    "latency_ms": 880,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:39:16.515",
    "epoch": 1783553956.5155206,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 78px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 12, \"activity\": \"walking\"}]} ```",
    "latency_ms": 884,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 23:39:17.575",
    "epoch": 1783553957.5754735,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 200px right over 3s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 12,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1282,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:40:22.087",
    "epoch": 1783554022.08752,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 86px left over 1s and apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 12, \"activity\": \"walking\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:40:23.197",
    "epoch": 1783554023.197109,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 164px left over 2s and apparent size grew 35% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 12, \"activity\": \"walking\"}]} ```",
    "latency_ms": 895,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:40:24.206",
    "epoch": 1783554024.2066803,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 186px left over 3s and apparent size grew 57% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 12, \"activity\": \"walking\"}]} ```",
    "latency_ms": 881,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 23:40:25.255",
    "epoch": 1783554025.2554083,
    "track_id": 12,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 85px left over 3s and apparent size grew 54% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 12, \"activity\": \"walking\"}]} ```",
    "latency_ms": 889,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:19:40.928",
    "epoch": 1783606780.928774,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 939,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:19:42.817",
    "epoch": 1783606782.8179991,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 924,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:19:44.517",
    "epoch": 1783606784.5170615,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:19:45.527",
    "epoch": 1783606785.5270405,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:19:46.712",
    "epoch": 1783606786.7128603,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 886,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:19:48.357",
    "epoch": 1783606788.3574004,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 906,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:19:53.128",
    "epoch": 1783606793.1283731,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 965,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:19:55.787",
    "epoch": 1783606795.7879174,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:19:56.900",
    "epoch": 1783606796.9002492,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 122px left over 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 838,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:19:57.907",
    "epoch": 1783606797.9077146,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 128px left over 2s and apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 835,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:19:58.958",
    "epoch": 1783606798.9581962,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 156px left over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1264,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:20:00.379",
    "epoch": 1783606800.3798988,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 929,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:20:01.448",
    "epoch": 1783606801.4486344,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 73px left over 3s and apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 874,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:20:02.450",
    "epoch": 1783606802.4504952,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 74px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 901,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:20:03.497",
    "epoch": 1783606803.4979196,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 200px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 830,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:20:04.509",
    "epoch": 1783606804.509246,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 171px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 891,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:20:05.558",
    "epoch": 1783606805.5589437,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 113px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 896,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:20:06.569",
    "epoch": 1783606806.5699267,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 115px right over 3s and apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 885,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:20:07.629",
    "epoch": 1783606807.6294825,
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    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
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    "request_type": "multi_classify",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 855,
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  {
    "timestamp": "2026-07-09 14:20:12.170",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 104px left over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
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  {
    "timestamp": "2026-07-09 14:20:13.179",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 79px left over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
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    "previous_label": "walking"
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    "timestamp": "2026-07-09 14:20:14.646",
    "epoch": 1783606814.6466994,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 134px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 885,
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    "timestamp": "2026-07-09 14:20:15.650",
    "epoch": 1783606815.6507604,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 128px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 127px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 875,
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    "timestamp": "2026-07-09 14:20:17.720",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 14:20:18.768",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 880,
    "applied_label": "standing",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 14:20:19.781",
    "epoch": 1783606819.7811298,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 46px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 859,
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  {
    "timestamp": "2026-07-09 14:20:20.833",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 122px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 875,
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    "timestamp": "2026-07-09 14:20:21.861",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 113px right over 3s.",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 894,
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    "timestamp": "2026-07-09 14:20:22.898",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 53px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 903,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:20:23.907",
    "epoch": 1783606823.9079192,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 143px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 855,
    "applied_label": "walking",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:20:24.959",
    "epoch": 1783606824.959526,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 151px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 888,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:20:25.970",
    "epoch": 1783606825.9700415,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 135px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 878,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:20:27.019",
    "epoch": 1783606827.0197227,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 885,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:20:28.026",
    "epoch": 1783606828.0268633,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1334,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:20:29.498",
    "epoch": 1783606829.4988093,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:20:30.871",
    "epoch": 1783606830.8719072,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 876,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:20:31.977",
    "epoch": 1783606831.9779525,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 924,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:20:32.976",
    "epoch": 1783606832.9765549,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 942,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:20:34.038",
    "epoch": 1783606834.0389626,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 931,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:20:35.051",
    "epoch": 1783606835.0510678,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:20:36.100",
    "epoch": 1783606836.1000216,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 908,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:20:37.114",
    "epoch": 1783606837.1147637,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:20:38.186",
    "epoch": 1783606838.1864493,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 972,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:20:39.539",
    "epoch": 1783606839.5399034,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:20:40.636",
    "epoch": 1783606840.636617,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 890,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:20:42.009",
    "epoch": 1783606842.0092921,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 80px right over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 842,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:20:43.119",
    "epoch": 1783606843.119553,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 110px left over 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 898,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:20:44.128",
    "epoch": 1783606844.1288881,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:20:45.177",
    "epoch": 1783606845.177587,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:20:46.415",
    "epoch": 1783606846.4158642,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 46px left over 3s and apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1270,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:20:47.837",
    "epoch": 1783606847.8371837,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 843,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:20:48.899",
    "epoch": 1783606848.899435,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 831,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:20:49.928",
    "epoch": 1783606849.9283845,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 893,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:20:50.958",
    "epoch": 1783606850.9582376,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 127px left over 3s and apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 924,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:20:51.970",
    "epoch": 1783606851.9707384,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 46px left over 3s and apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1275,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:00.009",
    "epoch": 1783606860.0093272,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:21:01.046",
    "epoch": 1783606861.0463214,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px left over 1s and apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:21:01.971",
    "epoch": 1783606861.9713814,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 86px left over 2s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 896,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:13.376",
    "epoch": 1783606873.3767946,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:21:14.479",
    "epoch": 1783606874.4794245,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 874,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:21:22.687",
    "epoch": 1783606882.6872225,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 875,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:21:23.748",
    "epoch": 1783606883.7482984,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 853,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:21:24.798",
    "epoch": 1783606884.798144,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 856,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:21:25.809",
    "epoch": 1783606885.8096197,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 198px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 857,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:21:26.887",
    "epoch": 1783606886.8879144,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 166px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 890,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:27.887",
    "epoch": 1783606887.8877223,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 195px left over 3s and apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:28.929",
    "epoch": 1783606888.9290433,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:30.166",
    "epoch": 1783606890.1668155,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 105px right over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 859,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:31.177",
    "epoch": 1783606891.17731,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 242px right over 3s and apparent size shrank 31% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 859,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:32.226",
    "epoch": 1783606892.2265508,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 217px right over 3s and apparent size grew 21% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:33.235",
    "epoch": 1783606893.2358754,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 126px right over 3s and apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:34.297",
    "epoch": 1783606894.2980063,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 83px left over 3s and apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:35.298",
    "epoch": 1783606895.298423,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 219px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 863,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:36.358",
    "epoch": 1783606896.3584704,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 171px left over 3s and apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:37.369",
    "epoch": 1783606897.369251,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 97px left over 3s and apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:42.500",
    "epoch": 1783606902.500907,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 891,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:21:43.560",
    "epoch": 1783606903.5607553,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 905,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:21:44.608",
    "epoch": 1783606904.6089838,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 159px left over 3s and apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 885,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:21:45.618",
    "epoch": 1783606905.6187766,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 157px left over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 883,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:46.669",
    "epoch": 1783606906.669169,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 126px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 880,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:47.909",
    "epoch": 1783606907.9097219,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 112px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 873,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:48.919",
    "epoch": 1783606908.9193227,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 125px right over 3s and apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:49.978",
    "epoch": 1783606909.978125,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 102px right over 3s and apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 863,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:51.003",
    "epoch": 1783606911.0031488,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 93px left over 3s and apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:52.038",
    "epoch": 1783606912.0387282,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 105px left over 3s and apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 894,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:53.050",
    "epoch": 1783606913.050589,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 125px left over 3s and apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 880,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:54.118",
    "epoch": 1783606914.1189678,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 72px right over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 889,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:55.109",
    "epoch": 1783606915.109998,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 888,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:56.169",
    "epoch": 1783606916.1691084,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 73px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 891,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:21:57.169",
    "epoch": 1783606917.169301,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:58.236",
    "epoch": 1783606918.2362602,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 73px left over 3s and apparent size grew 35% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 899,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:21:59.240",
    "epoch": 1783606919.2400882,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 182px left over 3s and apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 905,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:00.322",
    "epoch": 1783606920.3225534,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 224px left over 3s and apparent size grew 52% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 888,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:02.082",
    "epoch": 1783606922.0822332,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px left over 1s and apparent size grew 38% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 932,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:03.180",
    "epoch": 1783606923.1809325,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 79px left over 1s and apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 931,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:04.189",
    "epoch": 1783606924.189601,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px left over 2s and apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:22:05.252",
    "epoch": 1783606925.2526197,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 906,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:22:06.618",
    "epoch": 1783606926.618596,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:22:07.720",
    "epoch": 1783606927.720665,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 842,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:22:08.737",
    "epoch": 1783606928.7376819,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:22:09.787",
    "epoch": 1783606929.7871134,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 103px left over 3s and apparent size shrank 53% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 3,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1270,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:22:11.208",
    "epoch": 1783606931.2084436,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 147px left over 3s and apparent size shrank 45% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 878,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:12.257",
    "epoch": 1783606932.2571106,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 116px left over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 884,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:13.278",
    "epoch": 1783606933.27856,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:14.317",
    "epoch": 1783606934.3171225,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 145px right over 3s and apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 876,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:15.348",
    "epoch": 1783606935.348604,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 236px right over 3s and apparent size grew 38% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 877,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:16.390",
    "epoch": 1783606936.390225,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 149px right over 2s and apparent size grew 34% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 874,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:22:23.350",
    "epoch": 1783606943.3504891,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 942,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:24.409",
    "epoch": 1783606944.4094706,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 125px left over 2s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:25.468",
    "epoch": 1783606945.4688957,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 216px left over 3s and apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:26.481",
    "epoch": 1783606946.481172,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 198px left over 3s and apparent size shrank 41% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 890,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:27.528",
    "epoch": 1783606947.528555,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 142px left over 3s and apparent size shrank 39% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 892,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:28.551",
    "epoch": 1783606948.5517786,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 3s and apparent size shrank 44% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 908,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:29.598",
    "epoch": 1783606949.5986168,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 955,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:30.829",
    "epoch": 1783606950.8295333,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 49px right over 3s and apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:31.883",
    "epoch": 1783606951.8830223,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 81px right over 3s and apparent size grew 59% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:32.899",
    "epoch": 1783606952.8996181,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 60px right over 3s and apparent size grew 36% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 858,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:33.900",
    "epoch": 1783606953.9006636,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:34.962",
    "epoch": 1783606954.9620378,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 903,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:35.970",
    "epoch": 1783606955.9704332,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px left over 3s and apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 900,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:37.021",
    "epoch": 1783606957.021285,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:38.213",
    "epoch": 1783606958.2134502,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 856,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:22:40.717",
    "epoch": 1783606960.717755,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 960,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:22:41.751",
    "epoch": 1783606961.7514572,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 99px right over 3s and apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 866,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:22:42.798",
    "epoch": 1783606962.7986636,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 97px right over 2s and apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 872,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:43.809",
    "epoch": 1783606963.8099387,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 188px right over 2s and apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 878,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:44.870",
    "epoch": 1783606964.8709943,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 872,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:45.869",
    "epoch": 1783606965.8693295,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 105px left over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 857,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:46.929",
    "epoch": 1783606966.92956,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 295px left over 3s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:22:47.941",
    "epoch": 1783606967.9410222,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
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    "frames_sent": 2,
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    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
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    "timestamp": "2026-07-09 14:22:48.988",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 150px left over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
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    "applied_label": "walking",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 60px left over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
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    "applied_label": "walking",
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  {
    "timestamp": "2026-07-09 14:22:51.050",
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    "request_type": "multi_classify",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
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    "applied_label": "walking",
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    "request_type": "multi_classify",
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    "movement_context": "Person moved 134px left over 3s.",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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  {
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    "track_id": 3,
    "request_type": "multi_classify",
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    "camera_id": "213",
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    "timestamp": "2026-07-09 14:22:54.131",
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    "request_type": "multi_classify",
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    "camera_id": "213",
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    "camera_id": "213",
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    "camera_id": "213",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:23:08.361",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:23:10.397",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 888,
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:23:25.668",
    "epoch": 1783607005.6683018,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 927,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 14:23:27.318",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 913,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:23:28.409",
    "epoch": 1783607008.4095576,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 884,
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    "timestamp": "2026-07-09 14:23:29.439",
    "epoch": 1783607009.4394498,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 901,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:23:30.450",
    "epoch": 1783607010.4503586,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 904,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:23:31.494",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 900,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:23:32.510",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-09 14:23:33.559",
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    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 914,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:25:48.701",
    "epoch": 1783607148.7015395,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 929,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:25:49.751",
    "epoch": 1783607149.751131,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 841,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-09 14:25:50.759",
    "epoch": 1783607150.7596748,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 899,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:25:51.819",
    "epoch": 1783607151.8197773,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:25:52.999",
    "epoch": 1783607152.9995153,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 903,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:25:55.069",
    "epoch": 1783607155.069182,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 896,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:25:56.161",
    "epoch": 1783607156.1610947,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px right over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 904,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:25:57.181",
    "epoch": 1783607157.1816714,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 101px right over 3s and apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 843,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:25:58.191",
    "epoch": 1783607158.1911616,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 185px right over 3s and apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:25:59.252",
    "epoch": 1783607159.252491,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 252px right over 3s and apparent size grew 52% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:00.253",
    "epoch": 1783607160.2530882,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 239px right over 3s and apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:01.312",
    "epoch": 1783607161.31234,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 192px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 872,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:02.322",
    "epoch": 1783607162.3228917,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 843,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:03.373",
    "epoch": 1783607163.3737917,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:04.387",
    "epoch": 1783607164.3873706,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 89px left over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:05.443",
    "epoch": 1783607165.443121,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 57px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 817,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:06.443",
    "epoch": 1783607166.4438527,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 151px left over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 858,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:07.501",
    "epoch": 1783607167.501272,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 165px left over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 873,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:08.541",
    "epoch": 1783607168.5413165,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 167px left over 3s and apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:09.562",
    "epoch": 1783607169.5621746,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 94px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:10.572",
    "epoch": 1783607170.572598,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 836,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:11.631",
    "epoch": 1783607171.631508,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 70px right over 3s and apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 834,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:12.647",
    "epoch": 1783607172.647462,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 82px right over 3s and apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 855,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:13.691",
    "epoch": 1783607173.6919003,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 57px right over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 865,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:15.471",
    "epoch": 1783607175.4717112,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 921,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:18.359",
    "epoch": 1783607178.359314,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:19.471",
    "epoch": 1783607179.4711444,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 861,
    "applied_label": "fall_candidate",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:20.711",
    "epoch": 1783607180.7115228,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 271,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:26:21.959",
    "epoch": 1783607181.959475,
    "track_id": 3,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 977,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:26:22.013",
    "epoch": 1783607182.0138798,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 875,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:26:23.118",
    "epoch": 1783607183.1183503,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 897,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:26:24.376",
    "epoch": 1783607184.3764703,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 968,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:26:25.433",
    "epoch": 1783607185.4330187,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 935,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:26:26.480",
    "epoch": 1783607186.4808264,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 901,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:26:27.493",
    "epoch": 1783607187.4939477,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 909,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:26:28.552",
    "epoch": 1783607188.5524487,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 912,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:26:29.739",
    "epoch": 1783607189.7391644,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 907,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:26:30.797",
    "epoch": 1783607190.7974002,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 842,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:26:33.452",
    "epoch": 1783607193.4522886,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 99px left over 2s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 886,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:26:34.514",
    "epoch": 1783607194.514362,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 913,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:26:35.565",
    "epoch": 1783607195.5660074,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 920,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:26:37.161",
    "epoch": 1783607197.1613755,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 923,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:26:38.242",
    "epoch": 1783607198.2420697,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 63px right over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 875,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:26:39.281",
    "epoch": 1783607199.2811556,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 65px left over 3s and apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 885,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:26:40.280",
    "epoch": 1783607200.2802844,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 853,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:26:41.343",
    "epoch": 1783607201.343535,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 856,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:26:42.354",
    "epoch": 1783607202.3540478,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 73px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 810,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:26:43.400",
    "epoch": 1783607203.4005811,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 834,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:44.411",
    "epoch": 1783607204.411484,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 852,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:45.470",
    "epoch": 1783607205.4709415,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 841,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:26:47.253",
    "epoch": 1783607207.2535014,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 823,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:26:48.491",
    "epoch": 1783607208.491389,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 818,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:26:49.374",
    "epoch": 1783607209.3747554,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 823,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:26:50.423",
    "epoch": 1783607210.423141,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 825,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:26:51.432",
    "epoch": 1783607211.4326353,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 864,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:26:52.481",
    "epoch": 1783607212.4815829,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 72px right over 3s and apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 878,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:26:53.496",
    "epoch": 1783607213.496909,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 903,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:55.320",
    "epoch": 1783607215.320051,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:56.467",
    "epoch": 1783607216.4676118,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 92px right over 1s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 840,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:26:57.434",
    "epoch": 1783607217.4342206,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:58.451",
    "epoch": 1783607218.451388,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 110px left over 3s and apparent size shrank 30% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 836,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:26:59.505",
    "epoch": 1783607219.5051062,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 197px left over 3s and apparent size shrank 37% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 833,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:27:00.513",
    "epoch": 1783607220.513657,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 148px left over 3s and apparent size shrank 35% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:27:01.564",
    "epoch": 1783607221.5648446,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 46px left over 3s and apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:27:02.576",
    "epoch": 1783607222.5760822,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 883,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:27:03.637",
    "epoch": 1783607223.6377232,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 909,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:27:04.647",
    "epoch": 1783607224.6472766,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:27:05.692",
    "epoch": 1783607225.6921742,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 829,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:27:06.703",
    "epoch": 1783607226.7037747,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 855,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:27:08.119",
    "epoch": 1783607228.119719,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:27:09.184",
    "epoch": 1783607229.1842382,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 868,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:27:10.233",
    "epoch": 1783607230.2337677,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 57px right over 3s and apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 883,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:27:11.246",
    "epoch": 1783607231.2463176,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 65px right over 3s and apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 931,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:27:12.296",
    "epoch": 1783607232.2970119,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 927,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:27:13.480",
    "epoch": 1783607233.4805126,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:27:14.544",
    "epoch": 1783607234.5447404,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:27:15.592",
    "epoch": 1783607235.592033,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 49px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
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    "vlm_label": "standing",
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    "timestamp": "2026-07-09 14:29:31.372",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
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  {
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
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  {
    "timestamp": "2026-07-09 14:29:33.444",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 878,
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  {
    "timestamp": "2026-07-09 14:29:34.452",
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    "track_id": 3,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
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  {
    "timestamp": "2026-07-09 14:29:35.502",
    "epoch": 1783607375.5024762,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 873,
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  {
    "timestamp": "2026-07-09 14:29:36.871",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
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    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:29:38.929",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 838,
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  {
    "timestamp": "2026-07-09 14:29:41.407",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 842,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:29:42.513",
    "epoch": 1783607382.513768,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:29:43.523",
    "epoch": 1783607383.5234458,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px left over 3s and apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:29:44.585",
    "epoch": 1783607384.5850842,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 110px left over 3s and apparent size grew 38% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:29:45.596",
    "epoch": 1783607385.5966778,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 230px left over 3s and apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:29:46.647",
    "epoch": 1783607386.6473572,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 209px left over 3s and apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 864,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:29:47.653",
    "epoch": 1783607387.6535466,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 156px left over 3s and apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 899,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 14:29:48.705",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 868,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:29:49.719",
    "epoch": 1783607389.7197902,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 89px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 898,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:29:50.779",
    "epoch": 1783607390.7799983,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 82px right over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 986,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:29:52.020",
    "epoch": 1783607392.020703,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 852,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:29:53.028",
    "epoch": 1783607393.0280752,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 939,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:29:54.078",
    "epoch": 1783607394.07895,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 71px right over 3s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 896,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:29:55.090",
    "epoch": 1783607395.0903857,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 81px right over 3s and apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 828,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:29:56.133",
    "epoch": 1783607396.1337812,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 103px right over 3s and apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 811,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:29:57.145",
    "epoch": 1783607397.1455188,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:29:58.204",
    "epoch": 1783607398.204273,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 99px left over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:29:59.217",
    "epoch": 1783607399.2173507,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 130px left over 3s and apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 855,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:30:00.265",
    "epoch": 1783607400.265627,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px left over 3s and apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 853,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:30:01.275",
    "epoch": 1783607401.2755997,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 894,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:30:02.339",
    "epoch": 1783607402.3396573,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 875,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:30:03.689",
    "epoch": 1783607403.689661,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 900,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:30:04.803",
    "epoch": 1783607404.8035295,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 885,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:30:05.815",
    "epoch": 1783607405.81508,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 876,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:30:06.867",
    "epoch": 1783607406.8671668,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px left over 3s and apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 883,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:30:07.878",
    "epoch": 1783607407.8781488,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 896,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:30:08.939",
    "epoch": 1783607408.9399037,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:30:09.944",
    "epoch": 1783607409.944455,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 877,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:30:10.996",
    "epoch": 1783607410.9965844,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 103px left over 3s and apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 884,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:30:18.139",
    "epoch": 1783607418.1398408,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 955,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:30:33.228",
    "epoch": 1783607433.228683,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 860,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:30:34.283",
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    "track_id": 4,
    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
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    "track_id": 4,
    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 4,       \"activity\": \"walking\"     }   ] } ```",
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    "track_id": 4,
    "request_type": "multi_classify",
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    "camera_id": "213",
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    "track_id": 4,
    "request_type": "multi_classify",
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    "camera_id": "213",
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    "track_id": 4,
    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "walking",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
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    "timestamp": "2026-07-09 14:32:15.626",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 829,
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  {
    "timestamp": "2026-07-09 14:32:16.638",
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    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 164px right over 3s and apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 852,
    "applied_label": "walking",
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  {
    "timestamp": "2026-07-09 14:32:17.700",
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    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 85px right over 3s and apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 846,
    "applied_label": "walking",
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  },
  {
    "timestamp": "2026-07-09 14:32:19.289",
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    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 923,
    "applied_label": "standing",
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  {
    "timestamp": "2026-07-09 14:32:20.358",
    "epoch": 1783607540.358877,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 979,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:32:24.418",
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    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 884,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:32:25.544",
    "epoch": 1783607545.5447931,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 76px left over 3s and apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 863,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:32:26.548",
    "epoch": 1783607546.548257,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 143px left over 3s and apparent size shrank 26% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:32:27.596",
    "epoch": 1783607547.5969582,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 212px left over 3s and apparent size shrank 43% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 869,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:32:28.639",
    "epoch": 1783607548.6396155,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 211px left over 3s and apparent size shrank 31% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 932,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:32:59.726",
    "epoch": 1783607579.7268174,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 869,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:33:07.771",
    "epoch": 1783607587.7719092,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:33:24.908",
    "epoch": 1783607604.9082744,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:33:25.976",
    "epoch": 1783607605.9763217,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 48px right over 2s and apparent size grew 43% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:33:27.023",
    "epoch": 1783607607.0239792,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 91px right over 3s and apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 881,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:33:28.035",
    "epoch": 1783607608.0359433,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 167px right over 3s and apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 890,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:33:29.096",
    "epoch": 1783607609.09617,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 107px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 873,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:33:30.094",
    "epoch": 1783607610.0941648,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px right over 3s and apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 873,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:33:31.153",
    "epoch": 1783607611.1536748,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 882,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:33:33.376",
    "epoch": 1783607613.3762283,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:33:37.467",
    "epoch": 1783607617.4676325,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 823,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:33:38.357",
    "epoch": 1783607618.3578641,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:33:39.404",
    "epoch": 1783607619.4046597,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 49px right over 3s and apparent size grew 56% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:33:40.416",
    "epoch": 1783607620.4161243,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 46px right over 3s and apparent size grew 73% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 897,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:33:41.477",
    "epoch": 1783607621.4773812,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px right over 3s and apparent size grew 47% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 880,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:33:42.485",
    "epoch": 1783607622.4850366,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 924,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:33:43.534",
    "epoch": 1783607623.534823,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 919,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:33:44.551",
    "epoch": 1783607624.5517125,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 45px right over 2s and apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 915,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:33:45.598",
    "epoch": 1783607625.5987184,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 89px right over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 931,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:33:47.609",
    "epoch": 1783607627.609435,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 904,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:33:48.664",
    "epoch": 1783607628.6646216,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 920,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:33:50.283",
    "epoch": 1783607630.283063,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 930,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:33:51.386",
    "epoch": 1783607631.386542,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 876,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:33:52.385",
    "epoch": 1783607632.3850749,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 854,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:33:54.390",
    "epoch": 1783607634.3910112,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 846,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:33:55.509",
    "epoch": 1783607635.5091195,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 970,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:33:56.750",
    "epoch": 1783607636.7504425,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 912,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:33:57.747",
    "epoch": 1783607637.7479773,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 921,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:33:58.806",
    "epoch": 1783607638.8061674,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 914,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:33:59.816",
    "epoch": 1783607639.8163571,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 848,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:00.866",
    "epoch": 1783607640.8664672,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 99px right over 3s and apparent size grew 21% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 855,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:01.878",
    "epoch": 1783607641.8786652,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 126px right over 3s and apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 832,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:04.329",
    "epoch": 1783607644.3296223,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 889,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:05.410",
    "epoch": 1783607645.4104528,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 876,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:34:07.229",
    "epoch": 1783607647.2291584,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 821,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:34:08.649",
    "epoch": 1783607648.6499186,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:34:09.715",
    "epoch": 1783607649.7151887,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 845,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:34:10.775",
    "epoch": 1783607650.7755814,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:34:11.785",
    "epoch": 1783607651.7856567,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 135px left over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 839,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:12.834",
    "epoch": 1783607652.8345964,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 151px left over 3s and apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 826,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:13.847",
    "epoch": 1783607653.847521,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 875,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:14.896",
    "epoch": 1783607654.8968012,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 57px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:18.149",
    "epoch": 1783607658.1491988,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 919,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:19.249",
    "epoch": 1783607659.2492385,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 942,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:20.279",
    "epoch": 1783607660.2794878,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 948,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:21.507",
    "epoch": 1783607661.5070262,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 105px left over 2s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 876,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:22.521",
    "epoch": 1783607662.521112,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 191px left over 2s and apparent size shrank 42% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 933,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:23.569",
    "epoch": 1783607663.5693722,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 231px left over 3s and apparent size shrank 32% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 890,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:24.582",
    "epoch": 1783607664.5823002,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 164px left over 3s and apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 867,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:25.626",
    "epoch": 1783607665.6264973,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 88px right over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:26.638",
    "epoch": 1783607666.6388676,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 168px right over 3s and apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 876,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:27.699",
    "epoch": 1783607667.6993666,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 210px right over 3s and apparent size grew 42% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 861,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:28.709",
    "epoch": 1783607668.709368,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px right over 3s and apparent size grew 72% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 913,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:29.759",
    "epoch": 1783607669.7592242,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 103px left over 3s and apparent size grew 34% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 889,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 14:34:30.769",
    "epoch": 1783607670.7696414,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 267px left over 3s and apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 893,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:31.827",
    "epoch": 1783607671.827944,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 250px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 875,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:32.830",
    "epoch": 1783607672.8304505,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 77px left over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 919,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:33.952",
    "epoch": 1783607673.953019,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-09 14:34:35.284",
    "epoch": 1783607675.2842197,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 929,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:34:37.539",
    "epoch": 1783607677.5393455,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 871,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:34:38.607",
    "epoch": 1783607678.6072862,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 975,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:40.022",
    "epoch": 1783607680.0223384,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 928,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:41.090",
    "epoch": 1783607681.0905569,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 917,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:42.137",
    "epoch": 1783607682.137962,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 826,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:43.143",
    "epoch": 1783607683.1437888,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:44.204",
    "epoch": 1783607684.2041283,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 894,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:45.217",
    "epoch": 1783607685.2178297,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:46.266",
    "epoch": 1783607686.2668507,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 896,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:48.273",
    "epoch": 1783607688.2733614,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 908,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:49.335",
    "epoch": 1783607689.336001,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:50.401",
    "epoch": 1783607690.4020197,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:51.409",
    "epoch": 1783607691.4092243,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 132px right over 3s and apparent size grew 21% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 851,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:34:52.460",
    "epoch": 1783607692.4607332,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 184px right over 3s and apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 926,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:53.493",
    "epoch": 1783607693.4934504,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 130px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 923,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:54.650",
    "epoch": 1783607694.6503534,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 827,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:34:55.757",
    "epoch": 1783607695.7577095,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:34:56.765",
    "epoch": 1783607696.765582,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:34:59.188",
    "epoch": 1783607699.1880739,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 856,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:35:00.297",
    "epoch": 1783607700.2973166,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 855,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:35:01.308",
    "epoch": 1783607701.308304,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 87px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 852,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:35:02.355",
    "epoch": 1783607702.355977,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 227px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 858,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:35:03.367",
    "epoch": 1783607703.3674083,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 108px left over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 906,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:35:04.427",
    "epoch": 1783607704.4271996,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 63px left over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "track_id": 5,
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    "camera_id": "213",
    "vlm_label": "standing",
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    "track_id": 5,
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
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    "track_id": 5,
    "request_type": "multi_classify",
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    "movement_context": "Person moved 77px left over 3s and apparent size shrank 10% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
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    "track_id": 5,
    "request_type": "multi_classify",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
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  },
  {
    "timestamp": "2026-07-09 14:35:52.477",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
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    "track_id": 5,
    "request_type": "multi_classify",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
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  },
  {
    "timestamp": "2026-07-09 14:35:55.958",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
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    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:35:57.189",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:35:58.262",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:35:59.320",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 83px left over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "standing",
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  {
    "timestamp": "2026-07-09 14:36:00.546",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 138px left over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
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    "applied_label": "walking",
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  {
    "timestamp": "2026-07-09 14:36:01.554",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 149px left over 3s and apparent size shrank 25% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
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    "applied_label": "walking",
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    "timestamp": "2026-07-09 14:36:02.616",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "track_id": 5,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:36:05.720",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:36:06.735",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:36:08.112",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:36:09.341",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:36:10.582",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:36:11.695",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 903,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:36:13.514",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:36:15.118",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:36:16.237",
    "epoch": 1783607776.237666,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:36:17.268",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
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    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 14:36:18.297",
    "epoch": 1783607778.2971206,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:36:19.312",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 908,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:36:20.492",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:36:21.598",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 939,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:36:22.608",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 942,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:36:23.818",
    "epoch": 1783607783.8186162,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:36:24.896",
    "epoch": 1783607784.8965623,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 906,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:36:25.907",
    "epoch": 1783607785.9070358,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:36:26.966",
    "epoch": 1783607786.9664674,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px right over 3s and apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 916,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-09 14:36:27.979",
    "epoch": 1783607787.979318,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 907,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:36:29.025",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 905,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:36:30.052",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-09 14:36:31.086",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:36:32.269",
    "epoch": 1783607792.269716,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 917,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:36:33.509",
    "epoch": 1783607793.5092309,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 881,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:36:34.747",
    "epoch": 1783607794.7473621,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 906,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:36:35.815",
    "epoch": 1783607795.8153312,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 914,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:36:37.113",
    "epoch": 1783607797.1134899,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
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    "applied_label": "sitting",
    "previous_label": "sitting"
  },
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    "timestamp": "2026-07-09 14:37:21.247",
    "epoch": 1783607841.2471466,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 932,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:37:22.268",
    "epoch": 1783607842.2688243,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 890,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:37:23.279",
    "epoch": 1783607843.279422,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 914,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:37:24.330",
    "epoch": 1783607844.3304253,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 919,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:37:25.342",
    "epoch": 1783607845.343002,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 939,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:37:26.396",
    "epoch": 1783607846.3967693,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 879,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:37:27.397",
    "epoch": 1783607847.3974938,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 917,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:37:30.231",
    "epoch": 1783607850.2311475,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 903,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:37:31.345",
    "epoch": 1783607851.3454828,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:37:32.356",
    "epoch": 1783607852.3563716,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px right over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 852,
    "applied_label": "walking",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:37:33.409",
    "epoch": 1783607853.4093468,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 146px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 837,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 14:37:34.415",
    "epoch": 1783607854.4157333,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 197px right over 3s and apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 851,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 14:37:35.479",
    "epoch": 1783607855.4799097,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 162px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 14:37:36.478",
    "epoch": 1783607856.4786723,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "standing",
    "previous_label": "walking"
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    "timestamp": "2026-07-09 14:37:37.551",
    "epoch": 1783607857.5510697,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 852,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-09 14:37:39.128",
    "epoch": 1783607859.1286955,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 876,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-09 14:37:40.196",
    "epoch": 1783607860.1964388,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-09 14:37:41.246",
    "epoch": 1783607861.2463045,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 837,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-09 14:37:42.258",
    "epoch": 1783607862.2581127,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-09 14:37:43.318",
    "epoch": 1783607863.3186197,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-09 14:37:44.326",
    "epoch": 1783607864.3264797,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 824,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 14:37:45.376",
    "epoch": 1783607865.3770146,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 860,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 14:37:46.388",
    "epoch": 1783607866.3886108,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:37:47.568",
    "epoch": 1783607867.5680757,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 878,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 14:37:48.678",
    "epoch": 1783607868.678593,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 838,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:37:49.690",
    "epoch": 1783607869.6907365,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 890,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:37:50.742",
    "epoch": 1783607870.7426214,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 93px right over 3s and apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 898,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:37:52.969",
    "epoch": 1783607872.9697113,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 85px right over 1s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 870,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:37:54.049",
    "epoch": 1783607874.0497456,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 904,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:37:55.055",
    "epoch": 1783607875.055072,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 878,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:37:56.111",
    "epoch": 1783607876.1111617,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 77px left over 3s and apparent size shrank 42% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 890,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:37:57.118",
    "epoch": 1783607877.1180375,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 147px left over 3s and apparent size shrank 40% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 857,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:37:58.165",
    "epoch": 1783607878.165901,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 97px left over 3s and apparent size shrank 34% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 824,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:37:59.209",
    "epoch": 1783607879.209392,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 83px left over 3s and apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:38:00.235",
    "epoch": 1783607880.2350261,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:38:01.245",
    "epoch": 1783607881.2455745,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:38:02.293",
    "epoch": 1783607882.2936962,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px right over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:38:03.308",
    "epoch": 1783607883.3084693,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 860,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:38:05.732",
    "epoch": 1783607885.7320187,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
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    "epoch": 1783607939.6680226,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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  {
    "timestamp": "2026-07-09 14:39:00.897",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 103px left over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 910,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:39:03.090",
    "epoch": 1783607943.0907865,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 928,
    "applied_label": "fall_candidate",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:39:04.202",
    "epoch": 1783607944.2026393,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 49px right over 3s and apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 286,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:39:05.381",
    "epoch": 1783607945.381709,
    "track_id": 5,
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    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 1021,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:39:05.442",
    "epoch": 1783607945.442368,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 26% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 923,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:39:06.450",
    "epoch": 1783607946.4505463,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 903,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:39:07.514",
    "epoch": 1783607947.514117,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 908,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-09 14:39:08.519",
    "epoch": 1783607948.519089,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 902,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:39:09.571",
    "epoch": 1783607949.5715237,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 933,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-09 14:39:10.696",
    "epoch": 1783607950.6963768,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 963,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:39:11.993",
    "epoch": 1783607951.993507,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 976,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:39:13.050",
    "epoch": 1783607953.051005,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 1069,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-09 14:39:14.293",
    "epoch": 1783607954.2930312,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 1034,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:39:15.530",
    "epoch": 1783607955.5307922,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 39% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 911,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:39:16.589",
    "epoch": 1783607956.5894256,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 52% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 931,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:39:17.819",
    "epoch": 1783607957.8192587,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 36% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 909,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:39:18.829",
    "epoch": 1783607958.8291159,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 57px left over 3s and apparent size grew 49% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 958,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-09 14:39:22.717",
    "epoch": 1783607962.717682,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:39:23.795",
    "epoch": 1783607963.7951758,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 910,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:39:24.835",
    "epoch": 1783607964.8357115,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 908,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:39:25.851",
    "epoch": 1783607965.85177,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 859,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:39:27.260",
    "epoch": 1783607967.2603726,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 871,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:39:28.913",
    "epoch": 1783607968.9132478,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 914,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:39:29.980",
    "epoch": 1783607969.9808886,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 927,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:39:31.029",
    "epoch": 1783607971.0293913,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 877,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:39:32.037",
    "epoch": 1783607972.037859,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 859,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:39:33.089",
    "epoch": 1783607973.0894113,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 86px left over 3s and apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 904,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:39:34.098",
    "epoch": 1783607974.098465,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 882,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:39:35.158",
    "epoch": 1783607975.158862,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 909,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:39:36.170",
    "epoch": 1783607976.170597,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 77px right over 3s and apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 914,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:39:37.220",
    "epoch": 1783607977.220153,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 83px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 939,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:39:38.229",
    "epoch": 1783607978.2292845,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 911,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:39:39.279",
    "epoch": 1783607979.279383,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px left over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 909,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:39:40.291",
    "epoch": 1783607980.2914147,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 53px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 922,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:39:41.361",
    "epoch": 1783607981.3616087,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 987,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:39:42.592",
    "epoch": 1783607982.5923135,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 969,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:39:43.818",
    "epoch": 1783607983.818301,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 930,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:39:44.828",
    "epoch": 1783607984.828712,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px left over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
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    "timestamp": "2026-07-09 14:40:04.808",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 956,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-09 14:40:05.821",
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    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
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    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 941,
    "applied_label": "fall_candidate",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 913,
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 926,
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 972,
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 874,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-09 14:40:16.499",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 927,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-09 14:40:17.788",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 951,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-09 14:40:19.031",
    "epoch": 1783608019.0311897,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 962,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-09 14:40:20.139",
    "epoch": 1783608020.1394446,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 57px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 995,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-09 14:40:24.797",
    "epoch": 1783608024.79793,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 914,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:40:25.918",
    "epoch": 1783608025.9186609,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 916,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:40:26.929",
    "epoch": 1783608026.9290376,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 900,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:40:27.979",
    "epoch": 1783608027.9793308,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 870,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:40:29.024",
    "epoch": 1783608029.024501,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 932,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:40:30.809",
    "epoch": 1783608030.809182,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 966,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:40:31.877",
    "epoch": 1783608031.8771703,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 955,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:40:32.929",
    "epoch": 1783608032.9296405,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 953,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:40:34.106",
    "epoch": 1783608034.106194,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 893,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:40:36.770",
    "epoch": 1783608036.7705793,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 70px right over 2s and apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 939,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:40:37.886",
    "epoch": 1783608037.8868039,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 943,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:40:38.901",
    "epoch": 1783608038.9019804,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 983,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:40:39.950",
    "epoch": 1783608039.950962,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 901,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:40:41.134",
    "epoch": 1783608041.1347978,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 941,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:40:42.312",
    "epoch": 1783608042.3122222,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 931,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:40:43.434",
    "epoch": 1783608043.4344785,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 985,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:40:44.492",
    "epoch": 1783608044.4925537,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 985,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:40:45.728",
    "epoch": 1783608045.7286754,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 891,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:40:46.738",
    "epoch": 1783608046.738983,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 884,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:40:47.788",
    "epoch": 1783608047.7888281,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 932,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:40:48.815",
    "epoch": 1783608048.815019,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 925,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:40:49.856",
    "epoch": 1783608049.856402,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 874,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:40:50.856",
    "epoch": 1783608050.8567734,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 924,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:40:52.680",
    "epoch": 1783608052.6807647,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 911,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
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    "timestamp": "2026-07-09 14:40:53.769",
    "epoch": 1783608053.769496,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 890,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:40:54.806",
    "epoch": 1783608054.8064256,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 937,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
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    "timestamp": "2026-07-09 14:40:55.849",
    "epoch": 1783608055.8493674,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 895,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-09 14:40:56.868",
    "epoch": 1783608056.8687472,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 871,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-09 14:40:57.878",
    "epoch": 1783608057.8784719,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 882,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-09 14:40:58.928",
    "epoch": 1783608058.9287827,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 892,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
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    "timestamp": "2026-07-09 14:40:59.962",
    "epoch": 1783608059.9629369,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 892,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:41:00.996",
    "epoch": 1783608060.9965537,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 882,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-09 14:41:02.006",
    "epoch": 1783608062.0066113,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 876,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:41:03.058",
    "epoch": 1783608063.0583966,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 919,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:41:04.070",
    "epoch": 1783608064.0709276,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 914,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:41:05.489",
    "epoch": 1783608065.4891455,
    "track_id": 5,
    "request_type": "fall_verify",
    "zone": "floor",
    "movement_context": null,
    "frames_sent": 4,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 307,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:41:06.301",
    "epoch": 1783608066.3013985,
    "track_id": 5,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 974,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:41:06.364",
    "epoch": 1783608066.364525,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 904,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:41:07.392",
    "epoch": 1783608067.392886,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 904,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:41:08.779",
    "epoch": 1783608068.7797525,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 905,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:41:09.897",
    "epoch": 1783608069.8979769,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 899,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:41:10.898",
    "epoch": 1783608070.898041,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 896,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:41:11.916",
    "epoch": 1783608071.9162905,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 942,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:41:13.321",
    "epoch": 1783608073.3210194,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 929,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:41:14.392",
    "epoch": 1783608074.392124,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 991,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:41:15.629",
    "epoch": 1783608075.629194,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 965,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:41:16.680",
    "epoch": 1783608076.6802142,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 145px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 947,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:41:17.918",
    "epoch": 1783608077.919015,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 108px left over 3s and apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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  {
    "timestamp": "2026-07-09 14:41:18.934",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 68px left over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
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  {
    "timestamp": "2026-07-09 14:41:19.981",
    "epoch": 1783608079.9810314,
    "track_id": 5,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 941,
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    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:41:21.161",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 968,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-09 14:41:22.408",
    "epoch": 1783608082.4080296,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1011,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:41:23.699",
    "epoch": 1783608083.6992195,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 943,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-09 14:41:24.934",
    "epoch": 1783608084.9343646,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"lying_in_bed\"}]} ```",
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    "applied_label": "fall_candidate",
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  {
    "timestamp": "2026-07-09 14:41:26.172",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 944,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-09 14:41:28.357",
    "epoch": 1783608088.3577354,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 14:41:29.468",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 913,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:41:30.840",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
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    "applied_label": "sitting",
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    "track_id": 5,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 945,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 14:41:33.185",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:41:34.197",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 944,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:41:36.203",
    "epoch": 1783608096.2034872,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:41:37.310",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:41:38.316",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 53px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 933,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 14:41:39.387",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px left over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
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    "timestamp": "2026-07-09 14:41:40.393",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 100px left over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 957,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:41:43.027",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 973,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 14:41:45.933",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 936,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:41:50.868",
    "epoch": 1783608110.8690002,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 14:41:51.936",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 894,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-09 14:41:54.009",
    "epoch": 1783608114.0095274,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 77px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 887,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 14:41:55.250",
    "epoch": 1783608115.250339,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 895,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:41:56.299",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 912,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:41:57.308",
    "epoch": 1783608117.3084722,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 87px left over 3s and apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 905,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 14:41:58.357",
    "epoch": 1783608118.3571908,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 868,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:41:59.370",
    "epoch": 1783608119.370402,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 14:42:00.428",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 901,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:42:04.080",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 14:42:05.175",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 885,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 14:42:06.203",
    "epoch": 1783608126.2034767,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 929,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-09 14:42:07.210",
    "epoch": 1783608127.2107813,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:42:08.270",
    "epoch": 1783608128.2708554,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 941,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:42:09.280",
    "epoch": 1783608129.2810106,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 958,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:42:10.331",
    "epoch": 1783608130.3313103,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 907,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:42:11.733",
    "epoch": 1783608131.733878,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 951,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 14:42:12.881",
    "epoch": 1783608132.8814828,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 946,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:42:13.962",
    "epoch": 1783608133.9627984,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 893,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:42:15.048",
    "epoch": 1783608135.0481615,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 917,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:42:16.107",
    "epoch": 1783608136.1078713,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 952,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:42:17.468",
    "epoch": 1783608137.4686852,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 926,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:42:18.590",
    "epoch": 1783608138.5903614,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 940,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:42:19.948",
    "epoch": 1783608139.9483187,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 998,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:42:21.057",
    "epoch": 1783608141.058005,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 956,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:42:23.060",
    "epoch": 1783608143.0604758,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 936,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:42:25.345",
    "epoch": 1783608145.3454273,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 980,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:42:26.429",
    "epoch": 1783608146.429986,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 987,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:42:27.660",
    "epoch": 1783608147.6605318,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:42:28.679",
    "epoch": 1783608148.6797588,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 951,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:42:30.077",
    "epoch": 1783608150.077707,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 952,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:42:31.151",
    "epoch": 1783608151.151396,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 937,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:42:32.201",
    "epoch": 1783608152.2016842,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1018,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:42:33.446",
    "epoch": 1783608153.447001,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 986,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:42:34.684",
    "epoch": 1783608154.6848822,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 71px right over 3s and apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 974,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:42:35.921",
    "epoch": 1783608155.9217367,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 212px right over 3s and apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 984,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:42:37.165",
    "epoch": 1783608157.1657336,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 175px right over 3s and apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 988,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:42:38.405",
    "epoch": 1783608158.4054456,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 124px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 910,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:42:39.400",
    "epoch": 1783608159.4002278,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 848,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:42:40.457",
    "epoch": 1783608160.457293,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 933,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:42:41.471",
    "epoch": 1783608161.4712908,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 93px right over 2s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 918,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:42:42.519",
    "epoch": 1783608162.5192232,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 82px right over 3s and apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 935,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:42:43.530",
    "epoch": 1783608163.5300872,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 110px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 971,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:42:44.581",
    "epoch": 1783608164.5811665,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 957,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:42:45.872",
    "epoch": 1783608165.872452,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 938,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:42:47.058",
    "epoch": 1783608167.0584354,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 918,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:42:48.649",
    "epoch": 1783608168.649406,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 918,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:42:50.924",
    "epoch": 1783608170.9243462,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 905,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:42:52.010",
    "epoch": 1783608172.010759,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 906,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:42:53.024",
    "epoch": 1783608173.0243423,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 925,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:42:54.085",
    "epoch": 1783608174.0857847,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 62px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 965,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:42:55.326",
    "epoch": 1783608175.3261805,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 942,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:42:56.678",
    "epoch": 1783608176.6780584,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 945,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:42:57.789",
    "epoch": 1783608177.7896934,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 878,
    "applied_label": "fall_candidate",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:42:58.800",
    "epoch": 1783608178.800829,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 270,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:42:59.809",
    "epoch": 1783608179.8092868,
    "track_id": 5,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 973,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 14:43:00.025",
    "epoch": 1783608180.0256598,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 909,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:43:48.143",
    "epoch": 1783608228.1431935,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 52px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 888,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:43:49.150",
    "epoch": 1783608229.1504433,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 944,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:43:50.201",
    "epoch": 1783608230.2019005,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 62px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 929,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:43:51.214",
    "epoch": 1783608231.2143028,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 45px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 931,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:43:52.270",
    "epoch": 1783608232.2707431,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 955,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:43:53.503",
    "epoch": 1783608233.5036743,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 963,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:43:54.742",
    "epoch": 1783608234.7427642,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 949,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:43:55.986",
    "epoch": 1783608235.9864688,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px right over 3s and apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 972,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:43:57.224",
    "epoch": 1783608237.2248106,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 1008,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:43:58.466",
    "epoch": 1783608238.4668708,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 898,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:43:59.470",
    "epoch": 1783608239.470999,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 906,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:00.523",
    "epoch": 1783608240.524009,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 952,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:01.765",
    "epoch": 1783608241.7658255,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 952,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:03.021",
    "epoch": 1783608243.021687,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:04.012",
    "epoch": 1783608244.0124564,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 952,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:05.063",
    "epoch": 1783608245.0639331,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 956,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:06.310",
    "epoch": 1783608246.3108165,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 956,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:07.660",
    "epoch": 1783608247.660165,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 965,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:44:08.769",
    "epoch": 1783608248.7695124,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 942,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:44:09.782",
    "epoch": 1783608249.782366,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 965,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:44:12.200",
    "epoch": 1783608252.2010055,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 932,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:44:14.077",
    "epoch": 1783608254.0779462,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 938,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:17.557",
    "epoch": 1783608257.558011,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 911,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:18.680",
    "epoch": 1783608258.6807866,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 868,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:19.690",
    "epoch": 1783608259.6906652,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:20.743",
    "epoch": 1783608260.7432778,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 914,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:21.751",
    "epoch": 1783608261.7512922,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 895,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:22.813",
    "epoch": 1783608262.8134177,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 873,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:23.834",
    "epoch": 1783608263.8345392,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px right over 3s and apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 872,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:24.877",
    "epoch": 1783608264.8775566,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 46px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 972,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:26.114",
    "epoch": 1783608266.1147308,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 953,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:27.351",
    "epoch": 1783608267.3510256,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 934,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:28.366",
    "epoch": 1783608268.3669958,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 924,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:29.949",
    "epoch": 1783608269.949936,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 971,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:31.245",
    "epoch": 1783608271.2455046,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 905,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:32.304",
    "epoch": 1783608272.3046997,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 913,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:33.659",
    "epoch": 1783608273.659192,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 845,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:35.947",
    "epoch": 1783608275.9476686,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 881,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:37.024",
    "epoch": 1783608277.0248485,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:38.081",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 14:44:46.272",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 882,
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    "timestamp": "2026-07-09 14:44:48.330",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 840,
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    "timestamp": "2026-07-09 14:44:49.402",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 920,
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    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 14:44:50.460",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
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  {
    "timestamp": "2026-07-09 14:44:51.472",
    "epoch": 1783608291.4724572,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 841,
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    "timestamp": "2026-07-09 14:44:52.520",
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    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 876,
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    "timestamp": "2026-07-09 14:44:53.935",
    "epoch": 1783608293.9358952,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 839,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 14:44:55.759",
    "epoch": 1783608295.7596765,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 870,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 14:44:56.835",
    "epoch": 1783608296.835757,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 870,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 14:44:57.890",
    "epoch": 1783608297.8904417,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 878,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:44:59.071",
    "epoch": 1783608299.0711854,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 820,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:45:00.130",
    "epoch": 1783608300.130833,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 893,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:45:01.950",
    "epoch": 1783608301.9502585,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 897,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:45:03.023",
    "epoch": 1783608303.0235388,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 919,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:49:12.946",
    "epoch": 1783608552.9460921,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 974,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:49:14.213",
    "epoch": 1783608554.2131793,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1039,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:49:15.440",
    "epoch": 1783608555.4407234,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 992,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:49:16.836",
    "epoch": 1783608556.836592,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 990,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:49:18.074",
    "epoch": 1783608558.0745726,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 965,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:49:19.483",
    "epoch": 1783608559.483164,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 944,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:49:20.587",
    "epoch": 1783608560.5870552,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 939,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:49:21.605",
    "epoch": 1783608561.6050296,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 933,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:49:22.615",
    "epoch": 1783608562.6156027,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 931,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 14:49:23.664",
    "epoch": 1783608563.6640768,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 116px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 942,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:49:24.747",
    "epoch": 1783608564.7477345,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 113px right over 3s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1391,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:49:26.329",
    "epoch": 1783608566.3298204,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 162px right over 3s and apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1384,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:49:27.797",
    "epoch": 1783608567.797694,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 202px right over 3s and apparent size grew 34% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 908,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:49:39.884",
    "epoch": 1783608579.8841002,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 924,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:49:41.016",
    "epoch": 1783608581.0161612,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 103px left over 1s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 888,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:49:42.004",
    "epoch": 1783608582.0040293,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 81px left over 2s and apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1336,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:49:43.472",
    "epoch": 1783608583.4728866,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 68px left over 3s and apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1372,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:49:45.126",
    "epoch": 1783608585.126764,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 989,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:49:46.367",
    "epoch": 1783608586.3675165,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 980,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:49:47.606",
    "epoch": 1783608587.6061525,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 954,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:49:48.847",
    "epoch": 1783608588.8473175,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 995,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:49:50.086",
    "epoch": 1783608590.0864012,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 961,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 14:49:51.313",
    "epoch": 1783608591.3138363,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 878,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:54:16.897",
    "epoch": 1783608856.8970506,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 119px left over 3s and apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 897,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:54:17.926",
    "epoch": 1783608857.9260333,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 139px left over 3s and apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 906,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:54:18.980",
    "epoch": 1783608858.9809728,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 207px left over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1394,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:54:20.600",
    "epoch": 1783608860.6008375,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 198px left over 3s and apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 908,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:54:21.638",
    "epoch": 1783608861.6389885,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 104px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 974,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:54:22.876",
    "epoch": 1783608862.876498,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 961,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:54:24.157",
    "epoch": 1783608864.1570494,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 104px right over 3s and apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1352,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:54:25.767",
    "epoch": 1783608865.767746,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 117px right over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 939,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:54:26.798",
    "epoch": 1783608866.7980642,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px right over 3s and apparent size shrank 25% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 925,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:54:27.828",
    "epoch": 1783608867.8289466,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px right over 3s and apparent size shrank 39% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1414,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:55:32.971",
    "epoch": 1783608932.9717374,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 36% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 884,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:55:34.034",
    "epoch": 1783608934.034382,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 63% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 851,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:55:35.094",
    "epoch": 1783608935.0945413,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 885,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:55:36.103",
    "epoch": 1783608936.1031947,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 119px right over 3s and apparent size grew 85% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 885,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:55:37.156",
    "epoch": 1783608937.1564913,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 103px right over 2s and apparent size grew 58% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1284,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:56:07.822",
    "epoch": 1783608967.8223696,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 890,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:58:56.010",
    "epoch": 1783609136.010293,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 110px left over 1s and apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 879,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 14:58:57.084",
    "epoch": 1783609137.0841112,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 210px left over 2s and apparent size shrank 49% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 901,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:58:58.142",
    "epoch": 1783609138.1428213,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 244px left over 3s and apparent size shrank 66% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 898,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 14:58:59.411",
    "epoch": 1783609139.4110947,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 99px left over 3s and apparent size shrank 68% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 934,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:01:55.954",
    "epoch": 1783609315.9547033,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 869,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:01:57.024",
    "epoch": 1783609317.0241058,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 40% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 906,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:01:58.072",
    "epoch": 1783609318.0725744,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 54% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 903,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:01:59.113",
    "epoch": 1783609319.1133175,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 52% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 895,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:02:00.145",
    "epoch": 1783609320.1459641,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 937,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:02:01.152",
    "epoch": 1783609321.152088,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px left over 3s and apparent size grew 84% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 885,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:02:02.394",
    "epoch": 1783609322.394184,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 107px left over 3s and apparent size grew 77% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 920,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:02:13.884",
    "epoch": 1783609333.884064,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 118px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 873,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:02:14.994",
    "epoch": 1783609334.9944978,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 236px left over 2s and apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 923,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:02:16.004",
    "epoch": 1783609336.0040245,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 288px left over 3s and apparent size shrank 52% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 904,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:02:17.065",
    "epoch": 1783609337.0653353,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 187px left over 3s and apparent size shrank 65% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 905,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:02:18.064",
    "epoch": 1783609338.0642474,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 81px left over 3s and apparent size shrank 56% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 928,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:41:55.972",
    "epoch": 1783611715.9725125,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 15:41:57.094",
    "epoch": 1783611717.0941675,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 15:41:58.092",
    "epoch": 1783611718.092405,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 46% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:41:59.140",
    "epoch": 1783611719.1408546,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 82px left over 3s and apparent size grew 42% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 858,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:42:00.168",
    "epoch": 1783611720.168492,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 143px left over 3s and apparent size grew 41% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:42:01.228",
    "epoch": 1783611721.228061,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 162px left over 3s and apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 871,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:02.209",
    "epoch": 1783611722.2091112,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 74px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 872,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:03.269",
    "epoch": 1783611723.2693973,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 87px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 864,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:04.304",
    "epoch": 1783611724.3041751,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 869,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:05.330",
    "epoch": 1783611725.3302474,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 15:42:06.349",
    "epoch": 1783611726.3492785,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 98px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 887,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 15:42:07.421",
    "epoch": 1783611727.4210358,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 885,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 15:42:08.399",
    "epoch": 1783611728.3996193,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:09.463",
    "epoch": 1783611729.4639573,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 897,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 15:42:10.471",
    "epoch": 1783611730.4711416,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 903,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:11.521",
    "epoch": 1783611731.521053,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 897,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:12.534",
    "epoch": 1783611732.5341067,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 910,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:13.592",
    "epoch": 1783611733.5928712,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 905,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:14.590",
    "epoch": 1783611734.590909,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 907,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:15.656",
    "epoch": 1783611735.6569195,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 937,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:16.688",
    "epoch": 1783611736.688823,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 901,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:17.852",
    "epoch": 1783611737.8526006,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 894,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:18.955",
    "epoch": 1783611738.9559875,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 913,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:19.990",
    "epoch": 1783611739.9907203,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:21.009",
    "epoch": 1783611741.0093262,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px right over 3s and apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 846,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:22.049",
    "epoch": 1783611742.0499184,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 63px right over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 855,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:23.081",
    "epoch": 1783611743.0814106,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 856,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:24.102",
    "epoch": 1783611744.1022391,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 107px left over 3s and apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1261,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:25.552",
    "epoch": 1783611745.552181,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 92px left over 3s and apparent size grew 21% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 861,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:27.165",
    "epoch": 1783611747.1659265,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 897,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:28.379",
    "epoch": 1783611748.37938,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 15:42:30.629",
    "epoch": 1783611750.6291227,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 864,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:31.742",
    "epoch": 1783611751.7424836,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 52px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 869,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:32.751",
    "epoch": 1783611752.7513275,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 82px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:33.810",
    "epoch": 1783611753.8107042,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 79px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 852,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:34.819",
    "epoch": 1783611754.8198762,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:35.872",
    "epoch": 1783611755.8729453,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1248,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:37.290",
    "epoch": 1783611757.2907422,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:38.351",
    "epoch": 1783611758.3517683,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 99px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 861,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:39.374",
    "epoch": 1783611759.3740203,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 217px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:40.412",
    "epoch": 1783611760.4130106,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 226px right over 3s and apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:42.211",
    "epoch": 1783611762.2111633,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 88px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 856,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:42:43.302",
    "epoch": 1783611763.3022006,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:44.308",
    "epoch": 1783611764.3088865,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:45.366",
    "epoch": 1783611765.3662627,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 855,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:46.538",
    "epoch": 1783611766.538878,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 836,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:47.546",
    "epoch": 1783611767.5461073,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 875,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:48.508",
    "epoch": 1783611768.5086381,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 877,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:49.492",
    "epoch": 1783611769.492361,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 875,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:50.500",
    "epoch": 1783611770.5001166,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 49px right over 3s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 883,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:51.554",
    "epoch": 1783611771.5546193,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 874,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:53.562",
    "epoch": 1783611773.5621161,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 846,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:54.631",
    "epoch": 1783611774.631222,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 874,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:55.699",
    "epoch": 1783611775.699122,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px left over 2s and apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:56.694",
    "epoch": 1783611776.6942391,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 64px left over 2s and apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 861,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:57.753",
    "epoch": 1783611777.7532818,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 119px left over 3s and apparent size shrank 40% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 859,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:42:58.786",
    "epoch": 1783611778.786259,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 72px left over 3s and apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1276,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:43:00.222",
    "epoch": 1783611780.2225528,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 852,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:43:01.230",
    "epoch": 1783611781.2304144,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 823,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:02.281",
    "epoch": 1783611782.2811458,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:03.313",
    "epoch": 1783611783.3132372,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 864,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:04.352",
    "epoch": 1783611784.3523319,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 56px left over 3s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 853,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:05.359",
    "epoch": 1783611785.3596332,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:06.410",
    "epoch": 1783611786.4108803,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:07.428",
    "epoch": 1783611787.4287918,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 126px right over 3s and apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 842,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:08.481",
    "epoch": 1783611788.481239,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 88px right over 3s and apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:09.477",
    "epoch": 1783611789.4779506,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px left over 3s and apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 842,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:10.543",
    "epoch": 1783611790.5431426,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 109px left over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:11.564",
    "epoch": 1783611791.5644288,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 107px left over 3s and apparent size shrank 35% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 887,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:12.608",
    "epoch": 1783611792.6080222,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 38% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 890,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:13.612",
    "epoch": 1783611793.6128988,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 93px right over 3s and apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1339,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:15.429",
    "epoch": 1783611795.429387,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 53px right over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1340,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:16.913",
    "epoch": 1783611796.9139152,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 934,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:17.974",
    "epoch": 1783611797.974085,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:18.981",
    "epoch": 1783611798.9817207,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 950,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:20.036",
    "epoch": 1783611800.0367575,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 939,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:21.062",
    "epoch": 1783611801.0628362,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:22.232",
    "epoch": 1783611802.2328641,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 882,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:23.208",
    "epoch": 1783611803.2084856,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 878,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:24.162",
    "epoch": 1783611804.1624959,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1288,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:25.598",
    "epoch": 1783611805.5988445,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 887,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:26.777",
    "epoch": 1783611806.7779143,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:27.870",
    "epoch": 1783611807.8710122,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1238,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:29.458",
    "epoch": 1783611809.4581168,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:30.698",
    "epoch": 1783611810.6988814,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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  {
    "timestamp": "2026-07-09 15:43:32.821",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px left over 3s and apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 872,
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  {
    "timestamp": "2026-07-09 15:43:33.855",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 859,
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  {
    "timestamp": "2026-07-09 15:43:34.916",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 15:43:35.994",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 52px right over 3s and apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "previous_label": "standing"
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 15:43:37.964",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 65px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 885,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:39.011",
    "epoch": 1783611819.0116296,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 15:43:40.047",
    "epoch": 1783611820.0473661,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:41.081",
    "epoch": 1783611821.081044,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 45px left over 3s and apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:42.094",
    "epoch": 1783611822.0941443,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 83px left over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:43.141",
    "epoch": 1783611823.141295,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:44.150",
    "epoch": 1783611824.150128,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px left over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 15:43:45.216",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 15:43:46.209",
    "epoch": 1783611826.2097569,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 834,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:43:47.271",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px left over 3s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:43:48.304",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 895,
    "applied_label": "standing",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 42% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-09 15:43:50.339",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 77px right over 3s and apparent size grew 37% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 882,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 15:43:51.401",
    "epoch": 1783611831.401231,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 838,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:52.397",
    "epoch": 1783611832.3978734,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px right over 3s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 852,
    "applied_label": "walking",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 15:43:53.462",
    "epoch": 1783611833.4626882,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 15:43:54.483",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 848,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:43:55.521",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 858,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:56.530",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 869,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:57.594",
    "epoch": 1783611837.5942254,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 62px right over 3s and apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 859,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:43:58.592",
    "epoch": 1783611838.592609,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 861,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 15:43:59.654",
    "epoch": 1783611839.6540337,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 860,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:00.676",
    "epoch": 1783611840.6768534,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 892,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:01.715",
    "epoch": 1783611841.7159073,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px left over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 894,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:02.726",
    "epoch": 1783611842.726704,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 910,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:04.741",
    "epoch": 1783611844.7417762,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 917,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:05.845",
    "epoch": 1783611845.8455632,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 903,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:11.741",
    "epoch": 1783611851.7420156,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 888,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:12.735",
    "epoch": 1783611852.7356384,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 902,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:14.030",
    "epoch": 1783611854.0302978,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:15.122",
    "epoch": 1783611855.1221967,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1245,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:16.570",
    "epoch": 1783611856.5702288,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 37% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1214,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:17.991",
    "epoch": 1783611857.991192,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 154px right over 3s and apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 846,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:44:19.052",
    "epoch": 1783611859.0523202,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 111px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:44:20.051",
    "epoch": 1783611860.051411,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:44:21.113",
    "epoch": 1783611861.1133215,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 906,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:44:22.121",
    "epoch": 1783611862.121079,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 921,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 15:44:23.183",
    "epoch": 1783611863.1838675,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 102px right over 2s and apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 880,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 15:44:24.191",
    "epoch": 1783611864.191527,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 123px left over 2s and apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 888,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 15:44:25.242",
    "epoch": 1783611865.2426193,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 240px left over 3s and apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 878,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:26.265",
    "epoch": 1783611866.265956,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 335px left over 3s and apparent size shrank 33% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:44:27.301",
    "epoch": 1783611867.3014321,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 203px left over 3s and apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:44:28.314",
    "epoch": 1783611868.3141356,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 79px left over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 861,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:44:29.361",
    "epoch": 1783611869.3614817,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 859,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:30.397",
    "epoch": 1783611870.3971362,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 876,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:31.433",
    "epoch": 1783611871.433493,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px left over 3s and apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 890,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:32.449",
    "epoch": 1783611872.4496078,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px left over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 898,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:35.306",
    "epoch": 1783611875.3063529,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 892,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:36.920",
    "epoch": 1783611876.9207966,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:38.582",
    "epoch": 1783611878.582311,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 883,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:39.688",
    "epoch": 1783611879.6883554,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 917,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:41.271",
    "epoch": 1783611881.271436,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 943,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:42.712",
    "epoch": 1783611882.712456,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 71px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 920,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:43.817",
    "epoch": 1783611883.8174767,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 49px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 912,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:44.825",
    "epoch": 1783611884.8253126,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 916,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:45.877",
    "epoch": 1783611885.8776658,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 875,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:46.885",
    "epoch": 1783611886.8850548,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 933,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:47.947",
    "epoch": 1783611887.9472187,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 914,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:48.962",
    "epoch": 1783611888.962802,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 840,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:50.002",
    "epoch": 1783611890.0027888,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 848,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:51.010",
    "epoch": 1783611891.0103676,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 871,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:52.063",
    "epoch": 1783611892.063216,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 63px right over 3s and apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 868,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:53.072",
    "epoch": 1783611893.072161,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 48px right over 3s and apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1295,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:54.549",
    "epoch": 1783611894.5490196,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 53px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:55.572",
    "epoch": 1783611895.572888,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 26% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:56.605",
    "epoch": 1783611896.605735,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 872,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:57.637",
    "epoch": 1783611897.6378772,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 40% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 876,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:58.674",
    "epoch": 1783611898.6745203,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:44:59.669",
    "epoch": 1783611899.6697724,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 852,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:45:00.747",
    "epoch": 1783611900.7476397,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:45:01.753",
    "epoch": 1783611901.7531142,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:45:02.794",
    "epoch": 1783611902.7944906,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px right over 3s.",
    "frames_sent": 1,
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 15:45:11.466",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 77px right over 3s and apparent size shrank 29% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 15:45:12.483",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px right over 3s and apparent size shrank 43% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 15:45:14.530",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 15:45:15.583",
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    "track_id": 1,
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    "movement_context": "Person moved 43px right over 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 15:45:16.760",
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    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 15:45:18.829",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 15:45:19.924",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 929,
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    "previous_label": "standing"
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    "timestamp": "2026-07-09 15:45:20.957",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 943,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-09 15:45:22.199",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 15:45:23.218",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "previous_label": "standing"
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    "timestamp": "2026-07-09 15:45:24.255",
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    "track_id": 1,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 15:45:25.607",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-09 15:45:26.732",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-09 15:45:27.753",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 889,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 15:45:28.793",
    "epoch": 1783611928.79393,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 877,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 15:45:29.847",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 882,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 15:45:30.864",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 877,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:45:31.862",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 884,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:45:32.924",
    "epoch": 1783611932.9247875,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 95px left over 3s and apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 876,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:45:33.946",
    "epoch": 1783611933.9465582,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 210px left over 3s and apparent size grew 41% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 882,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:45:34.996",
    "epoch": 1783611934.9961987,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 119px left over 3s and apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:45:35.995",
    "epoch": 1783611935.9951649,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 40px right over 3s and apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:45:37.052",
    "epoch": 1783611937.0526826,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 177px right over 3s and apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:45:38.065",
    "epoch": 1783611938.0656068,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 82px right over 3s and apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 880,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:45:39.115",
    "epoch": 1783611939.1150198,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 41% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 878,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:45:40.146",
    "epoch": 1783611940.1462612,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px left over 3s and apparent size shrank 40% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 892,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:45:41.172",
    "epoch": 1783611941.1729162,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 31% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 893,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:45:42.189",
    "epoch": 1783611942.1899447,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 894,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 15:45:43.243",
    "epoch": 1783611943.2435577,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 15:45:44.262",
    "epoch": 1783611944.2625444,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 871,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 15:45:45.302",
    "epoch": 1783611945.3030093,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "vlm_label": "sitting",
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    "request_type": "multi_classify",
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    "camera_id": "213",
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    "request_type": "multi_classify",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 899,
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    "previous_label": "standing"
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-09 15:46:50.627",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
    "previous_label": "sitting"
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "standing",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "previous_label": "standing"
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
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    "previous_label": "standing"
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px left over 3s and apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "epoch": 1783612024.3365028,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px right over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 896,
    "applied_label": null,
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    "epoch": 1783612691.1806195,
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 856,
    "applied_label": null,
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  {
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    "epoch": 1783612692.285187,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 38% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 868,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 15:58:13.327",
    "epoch": 1783612693.3271582,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 45px left over 3s and apparent size grew 51% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 864,
    "applied_label": "walking",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 15:58:14.345",
    "epoch": 1783612694.3455741,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 38% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 15:58:15.385",
    "epoch": 1783612695.386005,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
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    "epoch": 1783612696.4174154,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 134px right over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 864,
    "applied_label": "walking",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 15:58:17.424",
    "epoch": 1783612697.4243324,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 226px right over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 865,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 15:58:18.477",
    "epoch": 1783612698.4770567,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 226px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 883,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 15:58:19.492",
    "epoch": 1783612699.492407,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 143px right over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 906,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 15:58:20.535",
    "epoch": 1783612700.5356774,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 881,
    "applied_label": "standing",
    "previous_label": "walking"
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    "epoch": 1783612701.5527258,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 89px left over 3s and apparent size shrank 36% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 888,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 15:58:22.607",
    "epoch": 1783612702.607634,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 91px left over 3s and apparent size shrank 31% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 858,
    "applied_label": "walking",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 15:58:23.631",
    "epoch": 1783612703.6316235,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 51% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 869,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 16:44:07.798",
    "epoch": 1783615447.7980347,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 830,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:44:08.875",
    "epoch": 1783615448.875755,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:44:09.924",
    "epoch": 1783615449.924958,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 923,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:44:10.936",
    "epoch": 1783615450.9364898,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 103px right over 3s and apparent size grew 75% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 894,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:44:11.987",
    "epoch": 1783615451.9878666,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 199px right over 3s and apparent size grew 91% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 890,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:44:22.010",
    "epoch": 1783615462.010953,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 78px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 855,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:44:23.139",
    "epoch": 1783615463.1395824,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 78px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 874,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:44:24.153",
    "epoch": 1783615464.1535265,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 187px left over 2s and apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 946,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:44:25.200",
    "epoch": 1783615465.2007194,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px left over 2s and apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 914,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:44:26.211",
    "epoch": 1783615466.211571,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 75px right over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 936,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:44:27.267",
    "epoch": 1783615467.2674994,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 184px right over 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 902,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:44:28.269",
    "epoch": 1783615468.269277,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 224px right over 2s and apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 893,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:44:29.349",
    "epoch": 1783615469.3499205,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 107px right over 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 881,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:44:30.334",
    "epoch": 1783615470.3349833,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 885,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:44:35.038",
    "epoch": 1783615475.038084,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 1s and apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 835,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:44:36.107",
    "epoch": 1783615476.1072564,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 1s and apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 881,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:44:37.165",
    "epoch": 1783615477.1659822,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 135px left over 2s and apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:44:38.186",
    "epoch": 1783615478.1864812,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 78px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:44:39.226",
    "epoch": 1783615479.2266684,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 156px left over 3s and apparent size shrank 34% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:44:40.235",
    "epoch": 1783615480.235737,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 118px left over 3s and apparent size shrank 33% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 876,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:44:44.300",
    "epoch": 1783615484.300482,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 934,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:44:45.420",
    "epoch": 1783615485.4202025,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 939,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:44:47.421",
    "epoch": 1783615487.4214153,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 931,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:44:48.485",
    "epoch": 1783615488.4852521,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 851,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:44:49.886",
    "epoch": 1783615489.88657,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 905,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 16:44:51.609",
    "epoch": 1783615491.6090834,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 906,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:44:52.860",
    "epoch": 1783615492.860671,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 995,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:44:54.085",
    "epoch": 1783615494.0854623,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 940,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:44:55.329",
    "epoch": 1783615495.3290806,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 955,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:44:56.584",
    "epoch": 1783615496.584872,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 986,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:44:57.797",
    "epoch": 1783615497.7978988,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:44:58.806",
    "epoch": 1783615498.8061821,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 930,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:44:59.868",
    "epoch": 1783615499.8689423,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 877,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:01.111",
    "epoch": 1783615501.111489,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 856,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:02.106",
    "epoch": 1783615502.106917,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 860,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:03.166",
    "epoch": 1783615503.1663086,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 919,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:04.190",
    "epoch": 1783615504.1907215,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 957,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:05.353",
    "epoch": 1783615505.3532486,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 895,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:06.698",
    "epoch": 1783615506.6980288,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 925,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:45:07.706",
    "epoch": 1783615507.7060544,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-09 16:45:08.725",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-09 16:45:09.888",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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  {
    "timestamp": "2026-07-09 16:45:11.008",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 905,
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    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 16:45:15.485",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 924,
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    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:31.158",
    "epoch": 1783615531.1589553,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 16:45:32.235",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 922,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 16:45:33.638",
    "epoch": 1783615533.638607,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 922,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:34.879",
    "epoch": 1783615534.8798842,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 924,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 16:45:35.957",
    "epoch": 1783615535.9570835,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 923,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:37.541",
    "epoch": 1783615537.541877,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 932,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:38.657",
    "epoch": 1783615538.6574621,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 922,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:39.664",
    "epoch": 1783615539.6644256,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 930,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:40.715",
    "epoch": 1783615540.715051,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 30% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 918,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:41.725",
    "epoch": 1783615541.7252636,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 962,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:42.785",
    "epoch": 1783615542.785138,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 21% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 900,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:43.980",
    "epoch": 1783615543.980807,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 881,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 16:45:45.027",
    "epoch": 1783615545.0279143,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:46.430",
    "epoch": 1783615546.4301777,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 904,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:47.507",
    "epoch": 1783615547.507519,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 934,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:48.564",
    "epoch": 1783615548.5649815,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 920,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:52.210",
    "epoch": 1783615552.21101,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 874,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:53.286",
    "epoch": 1783615553.286623,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 904,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:45:54.337",
    "epoch": 1783615554.3370245,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 894,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:46:08.900",
    "epoch": 1783615568.900056,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px right over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 836,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:46:10.138",
    "epoch": 1783615570.1387897,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 836,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:46:11.256",
    "epoch": 1783615571.2568169,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 52px right over 3s and apparent size grew 61% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 820,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:46:12.267",
    "epoch": 1783615572.267515,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 97px right over 3s and apparent size grew 62% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:46:13.329",
    "epoch": 1783615573.3298957,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 81px right over 2s and apparent size grew 49% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 866,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:49:02.049",
    "epoch": 1783615742.04948,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 846,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:49:03.149",
    "epoch": 1783615743.1493874,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:49:04.195",
    "epoch": 1783615744.1952224,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 146px left over 3s and apparent size shrank 45% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 861,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:49:05.186",
    "epoch": 1783615745.1864102,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 160px left over 3s and apparent size shrank 37% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 869,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:49:06.246",
    "epoch": 1783615746.2469385,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 130px left over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 866,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:49:07.256",
    "epoch": 1783615747.2566807,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:49:08.310",
    "epoch": 1783615748.3109472,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 70px right over 3s and apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 858,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:49:09.319",
    "epoch": 1783615749.3193543,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 827,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:49:10.370",
    "epoch": 1783615750.3700929,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:49:11.374",
    "epoch": 1783615751.3744912,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 856,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:49:12.435",
    "epoch": 1783615752.4359813,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 124px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:49:13.445",
    "epoch": 1783615753.4455812,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 251px right over 3s and apparent size grew 54% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 867,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:49:17.497",
    "epoch": 1783615757.4975982,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 859,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:49:18.627",
    "epoch": 1783615758.6278908,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:49:19.637",
    "epoch": 1783615759.6379235,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 871,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:02.154",
    "epoch": 1783615862.154285,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 878,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:51:03.216",
    "epoch": 1783615863.2169144,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 916,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:51:04.277",
    "epoch": 1783615864.277825,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 949,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:05.517",
    "epoch": 1783615865.5178225,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 38% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 922,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:06.516",
    "epoch": 1783615866.5160828,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 870,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:07.577",
    "epoch": 1783615867.5773046,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 920,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:08.585",
    "epoch": 1783615868.585883,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 880,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:51:11.407",
    "epoch": 1783615871.4079819,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 69px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 853,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:51:12.528",
    "epoch": 1783615872.5281792,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 906,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:51:13.552",
    "epoch": 1783615873.5524619,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 896,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:14.602",
    "epoch": 1783615874.6025298,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 907,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:15.624",
    "epoch": 1783615875.6241302,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 52px right over 3s and apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 893,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:16.659",
    "epoch": 1783615876.6590936,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 908,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:51:17.687",
    "epoch": 1783615877.6876602,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 900,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:51:18.719",
    "epoch": 1783615878.7194812,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 843,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:19.727",
    "epoch": 1783615879.7279327,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 869,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:20.787",
    "epoch": 1783615880.7876916,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 982,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:51:22.022",
    "epoch": 1783615882.022984,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px right over 3s and apparent size shrank 33% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 1005,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:51:23.264",
    "epoch": 1783615883.264453,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 984,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:51:24.503",
    "epoch": 1783615884.5036333,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 972,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:51:25.745",
    "epoch": 1783615885.7451446,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 978,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:26.983",
    "epoch": 1783615886.9832208,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 1050,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:28.209",
    "epoch": 1783615888.2098036,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 920,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:29.305",
    "epoch": 1783615889.305958,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1007,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:30.465",
    "epoch": 1783615890.4654799,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 900,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:31.522",
    "epoch": 1783615891.5225902,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 889,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:33.098",
    "epoch": 1783615893.098536,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 855,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:34.182",
    "epoch": 1783615894.182062,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 912,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:35.234",
    "epoch": 1783615895.2343283,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 927,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:36.240",
    "epoch": 1783615896.2401564,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 954,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:37.290",
    "epoch": 1783615897.290085,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 907,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:38.300",
    "epoch": 1783615898.3003995,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 895,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:39.360",
    "epoch": 1783615899.360472,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 938,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:40.601",
    "epoch": 1783615900.6020029,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:41.610",
    "epoch": 1783615901.6103985,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 858,
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    "timestamp": "2026-07-09 16:51:43.000",
    "epoch": 1783615903.000174,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 890,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 16:51:44.455",
    "epoch": 1783615904.4557836,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 891,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-09 16:51:46.301",
    "epoch": 1783615906.3012726,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "sitting",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 16:51:47.413",
    "epoch": 1783615907.413837,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 893,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 16:51:53.342",
    "epoch": 1783615913.3421104,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 934,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:51:54.395",
    "epoch": 1783615914.3959603,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 845,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:51:55.451",
    "epoch": 1783615915.4519322,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 16:51:56.460",
    "epoch": 1783615916.4603825,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 885,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:51:58.870",
    "epoch": 1783615918.8701735,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:05.062",
    "epoch": 1783615925.062871,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 895,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:06.940",
    "epoch": 1783615926.9406304,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 874,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:08.016",
    "epoch": 1783615928.01668,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 868,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:09.831",
    "epoch": 1783615929.8310504,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 881,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:11.073",
    "epoch": 1783615931.0735266,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 896,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:12.321",
    "epoch": 1783615932.3211284,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 971,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:13.384",
    "epoch": 1783615933.3843632,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 915,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:52:14.442",
    "epoch": 1783615934.442538,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:19.318",
    "epoch": 1783615939.318535,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 837,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:20.399",
    "epoch": 1783615940.3994677,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 838,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:21.445",
    "epoch": 1783615941.4458776,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 899,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:22.459",
    "epoch": 1783615942.45962,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:24.280",
    "epoch": 1783615944.280908,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:26.516",
    "epoch": 1783615946.5167027,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 885,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:27.637",
    "epoch": 1783615947.6370535,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:28.649",
    "epoch": 1783615948.6491966,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 72px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 870,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:29.709",
    "epoch": 1783615949.7090266,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 148px right over 3s and apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 858,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:52:30.719",
    "epoch": 1783615950.719584,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:52:31.766",
    "epoch": 1783615951.7669115,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 864,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:52:32.779",
    "epoch": 1783615952.7792153,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px left over 3s and apparent size shrank 34% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:33.833",
    "epoch": 1783615953.8337855,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px left over 3s and apparent size shrank 35% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 943,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:52:35.067",
    "epoch": 1783615955.067382,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 892,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:52:36.079",
    "epoch": 1783615956.079075,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 897,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:37.251",
    "epoch": 1783615957.2512913,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 885,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:40.558",
    "epoch": 1783615960.5587523,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:41.680",
    "epoch": 1783615961.6802204,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 912,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:52:42.679",
    "epoch": 1783615962.6792028,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 900,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:52:43.739",
    "epoch": 1783615963.7397995,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:52:44.770",
    "epoch": 1783615964.7708056,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 868,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:52:45.798",
    "epoch": 1783615965.7986562,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 951,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:52:46.838",
    "epoch": 1783615966.8385391,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 980,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:52:48.052",
    "epoch": 1783615968.0528412,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 932,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:52:49.108",
    "epoch": 1783615969.1085007,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 52px right over 3s and apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 985,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:52:50.338",
    "epoch": 1783615970.3384552,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 122px right over 3s and apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 911,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:52:51.350",
    "epoch": 1783615971.3502269,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 141px right over 3s and apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 896,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:52:52.409",
    "epoch": 1783615972.409587,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 78px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 284,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 16:52:53.571",
    "epoch": 1783615973.5715075,
    "track_id": 5,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 983,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 16:52:53.642",
    "epoch": 1783615973.6429913,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 942,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 16:52:54.882",
    "epoch": 1783615974.8823867,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 922,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 16:52:55.889",
    "epoch": 1783615975.8899324,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 862,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 16:52:56.946",
    "epoch": 1783615976.9465337,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 861,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 16:52:57.949",
    "epoch": 1783615977.9494042,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 854,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 16:52:59.008",
    "epoch": 1783615979.0088332,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 56px left over 3s and apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 893,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 16:53:00.023",
    "epoch": 1783615980.0230563,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 92px left over 3s and apparent size shrank 35% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 938,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 16:53:02.039",
    "epoch": 1783615982.0398352,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 841,
    "applied_label": "standing",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 16:53:03.141",
    "epoch": 1783615983.141862,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 833,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:53:04.150",
    "epoch": 1783615984.1501532,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 841,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:53:06.139",
    "epoch": 1783615986.1392357,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 840,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:53:07.259",
    "epoch": 1783615987.2599332,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 845,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:53:08.641",
    "epoch": 1783615988.641287,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 913,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:53:09.744",
    "epoch": 1783615989.7445087,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 901,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:53:10.749",
    "epoch": 1783615990.7493987,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 65px right over 3s and apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 879,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:53:11.798",
    "epoch": 1783615991.798921,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 873,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:53:12.807",
    "epoch": 1783615992.807143,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 164px right over 3s and apparent size grew 62% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 864,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:58:00.403",
    "epoch": 1783616280.4031336,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 831,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:58:01.509",
    "epoch": 1783616281.509971,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 112px left over 2s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 818,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:58:02.519",
    "epoch": 1783616282.5198967,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 190px left over 3s and apparent size shrank 33% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:58:03.578",
    "epoch": 1783616283.5780962,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 253px left over 3s and apparent size shrank 53% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:58:04.587",
    "epoch": 1783616284.5872533,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 138px left over 3s and apparent size shrank 38% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:58:05.638",
    "epoch": 1783616285.638581,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 79px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 852,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:58:06.647",
    "epoch": 1783616286.6474218,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px left over 3s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:58:07.709",
    "epoch": 1783616287.709203,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 82px left over 3s and apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:08.707",
    "epoch": 1783616288.7073371,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 60px left over 3s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 893,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:09.768",
    "epoch": 1783616289.768413,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px right over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 848,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:10.777",
    "epoch": 1783616290.7773182,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 69px right over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 851,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:58:11.845",
    "epoch": 1783616291.8459148,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 29% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 864,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:58:12.843",
    "epoch": 1783616292.8437355,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 839,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:58:13.903",
    "epoch": 1783616293.9036248,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
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  },
  {
    "timestamp": "2026-07-09 16:58:14.897",
    "epoch": 1783616294.897842,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 45% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:15.959",
    "epoch": 1783616295.9597576,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px left over 3s and apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 892,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:58:16.965",
    "epoch": 1783616296.9658551,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
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    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:58:18.018",
    "epoch": 1783616298.0182848,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 84px left over 3s and apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:58:19.029",
    "epoch": 1783616299.0296786,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px left over 3s and apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:20.091",
    "epoch": 1783616300.0915084,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 902,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:21.102",
    "epoch": 1783616301.1029608,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 65px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 924,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:22.154",
    "epoch": 1783616302.154748,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 113px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 884,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:23.159",
    "epoch": 1783616303.159679,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 99px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:24.209",
    "epoch": 1783616304.2092235,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 910,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:25.224",
    "epoch": 1783616305.2249587,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 86px left over 3s and apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 907,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:26.283",
    "epoch": 1783616306.2830973,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 897,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:27.279",
    "epoch": 1783616307.2790494,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 902,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:28.342",
    "epoch": 1783616308.342383,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 935,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:29.353",
    "epoch": 1783616309.353206,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 905,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:30.403",
    "epoch": 1783616310.4038472,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 916,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:31.414",
    "epoch": 1783616311.414529,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 89px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 887,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:32.474",
    "epoch": 1783616312.474353,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 221px left over 3s and apparent size shrank 39% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 910,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:33.483",
    "epoch": 1783616313.4832907,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 221px left over 3s and apparent size shrank 38% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 955,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:34.532",
    "epoch": 1783616314.5325363,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 160px left over 3s and apparent size shrank 40% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:35.553",
    "epoch": 1783616315.553954,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 48px left over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 930,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:36.591",
    "epoch": 1783616316.5913634,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 927,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 16:58:37.606",
    "epoch": 1783616317.6064603,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 90px right over 3s and apparent size grew 57% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 963,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:58:38.658",
    "epoch": 1783616318.6587155,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 169px right over 3s and apparent size grew 60% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"standing\"}]} ```",
    "latency_ms": 873,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:58:39.667",
    "epoch": 1783616319.667162,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 184px right over 3s and apparent size grew 58% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 870,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:58:40.716",
    "epoch": 1783616320.7160351,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 199px right over 3s and apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"walking\"}]} ```",
    "latency_ms": 824,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 16:58:41.728",
    "epoch": 1783616321.7284327,
    "track_id": 5,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 5, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 16:58:50.558",
    "epoch": 1783616330.5589306,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:58:51.629",
    "epoch": 1783616331.6291642,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 83px left over 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"standing\"}]} ```",
    "latency_ms": 838,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 16:58:52.690",
    "epoch": 1783616332.6903927,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 83px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:05:41.791",
    "epoch": 1783616741.7914143,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 126px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 910,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 17:05:42.918",
    "epoch": 1783616742.918553,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 228px left over 2s and apparent size shrank 30% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 872,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 17:05:43.917",
    "epoch": 1783616743.9174232,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 306px left over 3s and apparent size shrank 45% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:05:44.967",
    "epoch": 1783616744.9672234,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 168px left over 3s and apparent size shrank 65% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 861,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:06:45.567",
    "epoch": 1783616805.5670826,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"standing\"}]} ```",
    "latency_ms": 889,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:06:46.667",
    "epoch": 1783616806.6673908,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px left over 2s and apparent size grew 41% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"standing\"}]} ```",
    "latency_ms": 936,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:06:47.732",
    "epoch": 1783616807.732963,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 958,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:06:48.942",
    "epoch": 1783616808.9423594,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 71px right over 3s and apparent size grew 76% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 939,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:06:50.181",
    "epoch": 1783616810.1819384,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 138px left over 3s and apparent size grew 59% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"walking\"}]} ```",
    "latency_ms": 898,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:06:51.217",
    "epoch": 1783616811.2170904,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 282px left over 3s and apparent size grew 44% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"standing\"}]} ```",
    "latency_ms": 939,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:06:52.239",
    "epoch": 1783616812.2398484,
    "track_id": 7,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 276px left over 2s and apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 7, \"activity\": \"standing\"}]} ```",
    "latency_ms": 960,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 17:10:10.859",
    "epoch": 1783617010.8599122,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 82px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"standing\"}]} ```",
    "latency_ms": 852,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 17:10:11.998",
    "epoch": 1783617011.998288,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 151px left over 2s and apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"walking\"}]} ```",
    "latency_ms": 871,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 17:10:12.996",
    "epoch": 1783617012.996685,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 216px left over 3s and apparent size shrank 42% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"walking\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 17:10:14.047",
    "epoch": 1783617014.0471253,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 143px left over 3s and apparent size shrank 66% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"walking\"}]} ```",
    "latency_ms": 879,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:12:07.059",
    "epoch": 1783617127.0599606,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"standing\"}]} ```",
    "latency_ms": 935,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:12:08.139",
    "epoch": 1783617128.1398869,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 39% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"walking\"}]} ```",
    "latency_ms": 835,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:12:09.186",
    "epoch": 1783617129.1868784,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 918,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:12:10.198",
    "epoch": 1783617130.198319,
    "track_id": 8,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 121px right over 3s and apparent size grew 68% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 8, \"activity\": \"standing\"}]} ```",
    "latency_ms": 882,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:23:35.210",
    "epoch": 1783617815.2100418,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 17:23:36.340",
    "epoch": 1783617816.340204,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 835,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:24:20.495",
    "epoch": 1783617860.4955935,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 17:24:21.608",
    "epoch": 1783617861.6089072,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": null,
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 17:25:45.439",
    "epoch": 1783617945.4392157,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 45px left over 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 17:25:46.516",
    "epoch": 1783617946.5169942,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 163px left over 2s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:25:47.567",
    "epoch": 1783617947.5674152,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 225px left over 3s and apparent size shrank 39% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:25:48.580",
    "epoch": 1783617948.5804768,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 203px left over 3s and apparent size shrank 53% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 855,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:25:49.640",
    "epoch": 1783617949.6406631,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 95px left over 3s and apparent size shrank 44% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 830,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:25:50.641",
    "epoch": 1783617950.6411314,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 36% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 883,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:25:51.698",
    "epoch": 1783617951.6984076,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:25:52.708",
    "epoch": 1783617952.7082386,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 64px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 842,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:25:53.758",
    "epoch": 1783617953.758442,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 869,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:25:55.405",
    "epoch": 1783617955.4056349,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 862,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:25:56.427",
    "epoch": 1783617956.4274447,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 40% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 858,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:25:57.475",
    "epoch": 1783617957.475966,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 855,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:25:58.476",
    "epoch": 1783617958.476633,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 75px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 807,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:26:41.149",
    "epoch": 1783618001.1496284,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 71% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 827,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:26:42.051",
    "epoch": 1783618002.0512912,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 59% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 841,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:26:43.059",
    "epoch": 1783618003.0592914,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 77% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1254,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:26:44.517",
    "epoch": 1783618004.5173573,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 895,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:26:45.529",
    "epoch": 1783618005.5296755,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 70px left over 3s and apparent size grew 114% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:26:46.589",
    "epoch": 1783618006.5898921,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 80px left over 2s and apparent size grew 88% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 859,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:26:47.768",
    "epoch": 1783618007.7685935,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 131px left over 1s and apparent size grew 38% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:26:48.868",
    "epoch": 1783618008.8689935,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 873,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:26:49.885",
    "epoch": 1783618009.8859963,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 888,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:26:50.898",
    "epoch": 1783618010.8984058,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:26:51.945",
    "epoch": 1783618011.9457552,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 912,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px right over 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-09 17:27:07.296",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person moved 133px right over 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person moved 90px right over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 104px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 110px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:27:26.800",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 862,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:27:28.868",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 914,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:27:29.919",
    "epoch": 1783618049.9193006,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 209px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 890,
    "applied_label": "walking",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:27:30.929",
    "epoch": 1783618050.9298542,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 294px right over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 876,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:27:31.976",
    "epoch": 1783618051.9761724,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 215px right over 3s and apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 880,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:27:32.991",
    "epoch": 1783618052.9911954,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 157px right over 3s and apparent size shrank 34% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:27:34.047",
    "epoch": 1783618054.0473063,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 46px right over 3s and apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:27:35.059",
    "epoch": 1783618055.0599532,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 859,
    "applied_label": "walking",
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  {
    "timestamp": "2026-07-09 17:27:36.109",
    "epoch": 1783618056.1097324,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px left over 3s and apparent size shrank 30% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 900,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:27:37.122",
    "epoch": 1783618057.1222217,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 70px left over 3s and apparent size shrank 25% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 934,
    "applied_label": "walking",
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    "timestamp": "2026-07-09 17:27:38.171",
    "epoch": 1783618058.1714916,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 26% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 901,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:27:39.180",
    "epoch": 1783618059.180857,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 884,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:27:40.237",
    "epoch": 1783618060.2371917,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 875,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:27:41.246",
    "epoch": 1783618061.2467768,
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1265,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:27:42.707",
    "epoch": 1783618062.707417,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
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  },
  {
    "timestamp": "2026-07-09 17:27:43.722",
    "epoch": 1783618063.7230098,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:27:44.780",
    "epoch": 1783618064.7804463,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:27:45.789",
    "epoch": 1783618065.7897642,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 846,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:27:46.841",
    "epoch": 1783618066.8419642,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 903,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:27:47.853",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px right over 3s and apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 921,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:27:48.906",
    "epoch": 1783618068.9065688,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 63px right over 3s and apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1313,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:27:50.328",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 94px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:27:51.376",
    "epoch": 1783618071.376179,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 864,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:27:52.389",
    "epoch": 1783618072.3898275,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:27:53.438",
    "epoch": 1783618073.438726,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:27:54.447",
    "epoch": 1783618074.4478645,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:27:55.508",
    "epoch": 1783618075.5087547,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px right over 3s and apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:27:56.520",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:27:57.712",
    "epoch": 1783618077.712722,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
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  {
    "timestamp": "2026-07-09 17:27:58.811",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:27:59.820",
    "epoch": 1783618079.820914,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 864,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:28:00.869",
    "epoch": 1783618080.8691032,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 156px right over 3s and apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 876,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:28:01.880",
    "epoch": 1783618081.8809235,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 228px right over 3s and apparent size grew 21% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 869,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:28:02.941",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 68px right over 3s and apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 888,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:28:03.954",
    "epoch": 1783618083.9545462,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 164px left over 3s and apparent size shrank 26% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "applied_label": "walking",
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  {
    "timestamp": "2026-07-09 17:28:05.002",
    "epoch": 1783618085.0022807,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 233px left over 3s and apparent size shrank 45% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 955,
    "applied_label": "walking",
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    "timestamp": "2026-07-09 17:28:06.239",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 60px left over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
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    "timestamp": "2026-07-09 17:28:07.276",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 17:28:08.299",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 17:28:09.333",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 17:28:10.362",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 17:28:13.368",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 828,
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    "timestamp": "2026-07-09 17:28:15.838",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 17:28:17.082",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 17:28:18.209",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 925,
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    "timestamp": "2026-07-09 17:28:19.561",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 17:28:20.800",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 871,
    "applied_label": "standing",
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    "timestamp": "2026-07-09 17:28:21.918",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-09 17:28:25.341",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 916,
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  },
  {
    "timestamp": "2026-07-09 17:28:26.461",
    "epoch": 1783618106.4619136,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
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    "timestamp": "2026-07-09 17:28:27.505",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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  {
    "timestamp": "2026-07-09 17:28:28.520",
    "epoch": 1783618108.5200858,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:28:29.538",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:30.588",
    "epoch": 1783618110.5886235,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:31.599",
    "epoch": 1783618111.5993814,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:32.650",
    "epoch": 1783618112.650469,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:33.661",
    "epoch": 1783618113.6610842,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:34.709",
    "epoch": 1783618114.7090883,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 831,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:35.751",
    "epoch": 1783618115.7515326,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:36.779",
    "epoch": 1783618116.7792711,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:37.788",
    "epoch": 1783618117.788585,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:38.839",
    "epoch": 1783618118.8398144,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 846,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:39.852",
    "epoch": 1783618119.852514,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 21% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 855,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:40.898",
    "epoch": 1783618120.8985255,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 884,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:41.911",
    "epoch": 1783618121.9113271,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px right over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:42.971",
    "epoch": 1783618122.9710832,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px right over 3s and apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:43.982",
    "epoch": 1783618123.9821992,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 880,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:45.035",
    "epoch": 1783618125.0359113,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 68px left over 3s and apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1293,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:46.448",
    "epoch": 1783618126.448872,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px left over 3s and apparent size shrank 28% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:47.510",
    "epoch": 1783618127.5100198,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 79px left over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 841,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:48.519",
    "epoch": 1783618128.520011,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 44px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:49.590",
    "epoch": 1783618129.590192,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 894,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:50.579",
    "epoch": 1783618130.57974,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:51.628",
    "epoch": 1783618131.6285942,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 71px right over 3s and apparent size grew 41% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:52.638",
    "epoch": 1783618132.6386347,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 87px right over 3s and apparent size grew 36% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 861,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:53.700",
    "epoch": 1783618133.700547,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 140px right over 3s and apparent size grew 39% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:54.709",
    "epoch": 1783618134.7098596,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1257,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:56.190",
    "epoch": 1783618136.1900403,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 49px right over 3s and apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 868,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:57.179",
    "epoch": 1783618137.1792545,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 33% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 861,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:58.238",
    "epoch": 1783618138.2385883,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 69px left over 3s and apparent size shrank 31% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 855,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:28:59.276",
    "epoch": 1783618139.2764578,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 49px left over 3s and apparent size shrank 40% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 858,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:00.348",
    "epoch": 1783618140.3489091,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 858,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:01.309",
    "epoch": 1783618141.309095,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:02.361",
    "epoch": 1783618142.3618875,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 73px left over 3s and apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:03.371",
    "epoch": 1783618143.3718994,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:04.431",
    "epoch": 1783618144.4312823,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1310,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:06.013",
    "epoch": 1783618146.0131228,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 880,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:29:07.092",
    "epoch": 1783618147.0921066,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 889,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:29:08.168",
    "epoch": 1783618148.1681767,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 884,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:09.157",
    "epoch": 1783618149.1572814,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 976,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:10.214",
    "epoch": 1783618150.2149234,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "sitting",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:29:11.244",
    "epoch": 1783618151.244842,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 70px left over 3s and apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:29:12.268",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 70px left over 3s and apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1218,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:13.689",
    "epoch": 1783618153.68911,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 849,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:14.750",
    "epoch": 1783618154.7501273,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 149px right over 3s and apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 842,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:15.763",
    "epoch": 1783618155.7637334,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 65px right over 3s and apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:16.809",
    "epoch": 1783618156.8094306,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 29% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 910,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:17.820",
    "epoch": 1783618157.82024,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 110px left over 3s and apparent size shrank 29% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 942,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:18.873",
    "epoch": 1783618158.873775,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 58px left over 3s and apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 893,
    "applied_label": "walking",
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  {
    "timestamp": "2026-07-09 17:29:19.881",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 881,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:20.938",
    "epoch": 1783618160.9382699,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 48px right over 3s and apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 839,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:21.971",
    "epoch": 1783618161.971586,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 828,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:29:22.999",
    "epoch": 1783618162.9991128,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
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    "timestamp": "2026-07-09 17:29:24.008",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "walking",
    "previous_label": "walking"
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    "timestamp": "2026-07-09 17:29:25.060",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
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  {
    "timestamp": "2026-07-09 17:29:26.640",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 840,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:27.718",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
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    "timestamp": "2026-07-09 17:29:28.781",
    "epoch": 1783618168.7816272,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 823,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:29.817",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:29:30.841",
    "epoch": 1783618170.8419528,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:31.851",
    "epoch": 1783618171.8515966,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 108px left over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 870,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:32.903",
    "epoch": 1783618172.9037616,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 231px left over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 919,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:33.913",
    "epoch": 1783618173.9132113,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 218px left over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 962,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:34.975",
    "epoch": 1783618174.975142,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 132px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 899,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:29:36.344",
    "epoch": 1783618176.344673,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 959,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:29:37.791",
    "epoch": 1783618177.791675,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 945,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:29:38.865",
    "epoch": 1783618178.8651004,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 69px right over 3s and apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 887,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:29:39.922",
    "epoch": 1783618179.9223828,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px right over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:29:40.928",
    "epoch": 1783618180.9288492,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 888,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:29:41.982",
    "epoch": 1783618181.9823172,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 886,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:29:42.990",
    "epoch": 1783618182.990742,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 899,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:29:44.567",
    "epoch": 1783618184.5675476,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:29:46.466",
    "epoch": 1783618186.46693,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 868,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-09 17:29:47.531",
    "epoch": 1783618187.5311146,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 932,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:29:48.594",
    "epoch": 1783618188.594523,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 947,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:29:50.759",
    "epoch": 1783618190.7591603,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 102px right over 2s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:29:51.999",
    "epoch": 1783618191.999604,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 938,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:53.132",
    "epoch": 1783618193.1329923,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 880,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:54.147",
    "epoch": 1783618194.1472898,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 841,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:55.298",
    "epoch": 1783618195.2988527,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:56.434",
    "epoch": 1783618196.434398,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 933,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:58.190",
    "epoch": 1783618198.1904316,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 913,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:29:59.324",
    "epoch": 1783618199.3243997,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:00.331",
    "epoch": 1783618200.331705,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:30:01.381",
    "epoch": 1783618201.3813212,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 864,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:02.391",
    "epoch": 1783618202.3910935,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 855,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:03.440",
    "epoch": 1783618203.440456,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1269,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:04.861",
    "epoch": 1783618204.8619707,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1282,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:21.119",
    "epoch": 1783618221.119719,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:22.202",
    "epoch": 1783618222.2026672,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 30% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:23.248",
    "epoch": 1783618223.2488358,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 39% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 843,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:24.259",
    "epoch": 1783618224.2592273,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 855,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:25.321",
    "epoch": 1783618225.3216653,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 52px right over 3s and apparent size grew 34% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1262,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:26.738",
    "epoch": 1783618226.7385755,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 34% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 900,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:27.809",
    "epoch": 1783618227.8096821,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px right over 3s and apparent size grew 43% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 884,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:28.799",
    "epoch": 1783618228.7994227,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 48px right over 3s and apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 877,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:29.860",
    "epoch": 1783618229.8601582,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px right over 3s and apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:30.871",
    "epoch": 1783618230.8717077,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px left over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:31.918",
    "epoch": 1783618231.9186728,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 78px left over 3s and apparent size shrank 25% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1271,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:33.341",
    "epoch": 1783618233.341563,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 100px left over 3s and apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 869,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:34.399",
    "epoch": 1783618234.3991933,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 869,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:35.527",
    "epoch": 1783618235.527204,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:36.640",
    "epoch": 1783618236.6405523,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 836,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:37.705",
    "epoch": 1783618237.7055967,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 868,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:38.871",
    "epoch": 1783618238.8714938,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 889,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:30:40.290",
    "epoch": 1783618240.2901936,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 898,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:41.413",
    "epoch": 1783618241.4138265,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 931,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:42.434",
    "epoch": 1783618242.4341385,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 859,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:43.469",
    "epoch": 1783618243.4698117,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:44.480",
    "epoch": 1783618244.480062,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:45.538",
    "epoch": 1783618245.538717,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 927,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:46.553",
    "epoch": 1783618246.5539541,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 894,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:47.603",
    "epoch": 1783618247.6035788,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 921,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:48.646",
    "epoch": 1783618248.6465316,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 868,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:30:49.668",
    "epoch": 1783618249.6683578,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 884,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:30:51.248",
    "epoch": 1783618251.2481165,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 838,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:30:52.319",
    "epoch": 1783618252.3191657,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1226,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:53.787",
    "epoch": 1783618253.7873561,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 56px right over 3s and apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:54.822",
    "epoch": 1783618254.8228135,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:55.879",
    "epoch": 1783618255.879173,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:56.858",
    "epoch": 1783618256.8584836,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 65px left over 3s and apparent size shrank 38% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 826,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:57.920",
    "epoch": 1783618257.9202127,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 60px left over 3s and apparent size shrank 39% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 880,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:58.954",
    "epoch": 1783618258.9549384,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 45px left over 3s and apparent size shrank 34% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 881,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:30:59.977",
    "epoch": 1783618259.9780014,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 819,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:00.993",
    "epoch": 1783618260.9937968,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:02.049",
    "epoch": 1783618262.0499928,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 35% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 839,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:03.061",
    "epoch": 1783618263.0616295,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 851,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:04.124",
    "epoch": 1783618264.1245208,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 95px right over 3s and apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 891,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:05.124",
    "epoch": 1783618265.124972,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 112px right over 3s and apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 934,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:06.176",
    "epoch": 1783618266.1770048,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 927,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:07.189",
    "epoch": 1783618267.189224,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 74px left over 3s and apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 886,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:08.243",
    "epoch": 1783618268.243909,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 77px left over 3s and apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:09.263",
    "epoch": 1783618269.2634027,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px left over 3s and apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 939,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:10.305",
    "epoch": 1783618270.3051577,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px left over 3s and apparent size shrank 23% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 888,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:11.323",
    "epoch": 1783618271.3237052,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 876,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:12.358",
    "epoch": 1783618272.3589065,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 888,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:13.399",
    "epoch": 1783618273.399983,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 37% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 845,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:14.432",
    "epoch": 1783618274.4323437,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 38% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:15.459",
    "epoch": 1783618275.4599977,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 36% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 850,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:16.488",
    "epoch": 1783618276.488571,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 50px left over 3s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 822,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:17.500",
    "epoch": 1783618277.5002759,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:18.560",
    "epoch": 1783618278.5604782,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 125px right over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 832,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:19.563",
    "epoch": 1783618279.563557,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 213px right over 3s and apparent size shrank 33% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:20.622",
    "epoch": 1783618280.622373,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 97px right over 3s and apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 874,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:21.630",
    "epoch": 1783618281.6308856,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 874,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:22.686",
    "epoch": 1783618282.686467,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 81px left over 3s and apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 864,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:23.692",
    "epoch": 1783618283.6921935,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 83px left over 3s and apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 868,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:24.754",
    "epoch": 1783618284.7545063,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 887,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:25.753",
    "epoch": 1783618285.7532282,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 42% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 842,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:26.811",
    "epoch": 1783618286.8117297,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 49px right over 3s and apparent size shrank 36% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 846,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:27.822",
    "epoch": 1783618287.8226871,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 64px left over 3s and apparent size shrank 41% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 879,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:28.873",
    "epoch": 1783618288.8730998,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:29.917",
    "epoch": 1783618289.917109,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 861,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:31.017",
    "epoch": 1783618291.0173771,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:32.172",
    "epoch": 1783618292.1725,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:31:33.182",
    "epoch": 1783618293.1825333,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 895,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:34.248",
    "epoch": 1783618294.2480373,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 962,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:35.475",
    "epoch": 1783618295.4755638,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:36.482",
    "epoch": 1783618296.4830134,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:37.880",
    "epoch": 1783618297.8800828,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 859,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:39.942",
    "epoch": 1783618299.9426355,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 882,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:31:41.026",
    "epoch": 1783618301.0260556,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:31:42.088",
    "epoch": 1783618302.0885286,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 940,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:43.390",
    "epoch": 1783618303.3908932,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 906,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:44.556",
    "epoch": 1783618304.556447,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 941,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:45.802",
    "epoch": 1783618305.802958,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 861,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:31:46.803",
    "epoch": 1783618306.8030918,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:31:48.608",
    "epoch": 1783618308.6084204,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 824,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:50.028",
    "epoch": 1783618310.0290122,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 860,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:31:51.026",
    "epoch": 1783618311.0267382,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 874,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:51.982",
    "epoch": 1783618311.9823017,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 124px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 874,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:52.994",
    "epoch": 1783618312.9949684,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 205px left over 3s and apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 861,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:53.947",
    "epoch": 1783618313.947399,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 148px left over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:31:55.050",
    "epoch": 1783618315.0509944,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 3s and apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 911,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:31:57.047",
    "epoch": 1783618317.0476172,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:31:58.519",
    "epoch": 1783618318.5190542,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 907,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:32:01.187",
    "epoch": 1783618321.1875648,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 857,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 17:32:02.639",
    "epoch": 1783618322.6397443,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 884,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 17:32:03.724",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:32:04.889",
    "epoch": 1783618324.8896306,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:32:06.012",
    "epoch": 1783618326.0123699,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 908,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:32:07.023",
    "epoch": 1783618327.023717,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 913,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:32:08.088",
    "epoch": 1783618328.0885901,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 115px right over 3s and apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 896,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:32:09.095",
    "epoch": 1783618329.095405,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 142px right over 3s and apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 926,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:10.144",
    "epoch": 1783618330.144739,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 258px right over 3s and apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 890,
    "applied_label": "fall_candidate",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:11.155",
    "epoch": 1783618331.1556811,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 133px right over 3s and apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 310,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:32:12.319",
    "epoch": 1783618332.3194482,
    "track_id": 1,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 1027,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:32:12.396",
    "epoch": 1783618332.3963246,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 84px right over 3s and apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 946,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:32:13.446",
    "epoch": 1783618333.446671,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 997,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:32:14.694",
    "epoch": 1783618334.6945353,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 861,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:32:15.696",
    "epoch": 1783618335.696107,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 917,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:32:16.743",
    "epoch": 1783618336.743637,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 891,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:32:17.752",
    "epoch": 1783618337.7527413,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 901,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:32:19.150",
    "epoch": 1783618339.150704,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 892,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:32:21.420",
    "epoch": 1783618341.420264,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 937,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:32:22.522",
    "epoch": 1783618342.5220754,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 879,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:32:23.981",
    "epoch": 1783618343.9814303,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px left over 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 923,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:32:25.015",
    "epoch": 1783618345.0150676,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px left over 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 888,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:32:26.012",
    "epoch": 1783618346.0123172,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-09 17:32:27.066",
    "epoch": 1783618347.0666409,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px right over 3s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 943,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:32:30.068",
    "epoch": 1783618350.0683267,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
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  {
    "timestamp": "2026-07-09 17:32:31.192",
    "epoch": 1783618351.1925163,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px left over 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 858,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:32:32.203",
    "epoch": 1783618352.2038648,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 128px left over 3s and apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:33.261",
    "epoch": 1783618353.2615702,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 177px left over 3s and apparent size shrank 36% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:34.264",
    "epoch": 1783618354.264779,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 129px left over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:35.324",
    "epoch": 1783618355.3245382,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:36.333",
    "epoch": 1783618356.333976,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:37.382",
    "epoch": 1783618357.3820603,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:38.729",
    "epoch": 1783618358.7290921,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:39.863",
    "epoch": 1783618359.8632636,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 855,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:40.863",
    "epoch": 1783618360.8636115,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 42% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 865,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:41.921",
    "epoch": 1783618361.9214995,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 44% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 896,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:32:42.933",
    "epoch": 1783618362.933625,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 95px right over 3s and apparent size grew 61% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:32:43.981",
    "epoch": 1783618363.9818974,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 149px right over 3s and apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:44.994",
    "epoch": 1783618364.994077,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 169px right over 3s and apparent size grew 33% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 864,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:32:46.053",
    "epoch": 1783618366.0534039,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 68px right over 3s and apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 823,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:47.065",
    "epoch": 1783618367.0651534,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 858,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:48.114",
    "epoch": 1783618368.1147037,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:32:49.122",
    "epoch": 1783618369.122913,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 846,
    "applied_label": "standing",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:32:50.174",
    "epoch": 1783618370.1747057,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 931,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:32:51.188",
    "epoch": 1783618371.188468,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 45% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 907,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:32:52.247",
    "epoch": 1783618372.2475088,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 108px right over 3s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 886,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:53.273",
    "epoch": 1783618373.2735004,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 136px right over 3s and apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 834,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:54.302",
    "epoch": 1783618374.302308,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 83px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 831,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:55.312",
    "epoch": 1783618375.31243,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:56.364",
    "epoch": 1783618376.3649802,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 839,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:57.374",
    "epoch": 1783618377.3740463,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:32:59.369",
    "epoch": 1783618379.3690245,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 847,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:33:00.493",
    "epoch": 1783618380.4934347,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 892,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:02.668",
    "epoch": 1783618382.6689534,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:33:05.369",
    "epoch": 1783618385.369725,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 842,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:06.631",
    "epoch": 1783618386.6314466,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 846,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:07.693",
    "epoch": 1783618387.693543,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:08.750",
    "epoch": 1783618388.7502198,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px left over 3s and apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 940,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:09.986",
    "epoch": 1783618389.9860253,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 907,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:10.996",
    "epoch": 1783618390.9969046,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 895,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:12.053",
    "epoch": 1783618392.053024,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 943,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:13.288",
    "epoch": 1783618393.28805,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 962,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:33:14.525",
    "epoch": 1783618394.5256686,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 105px right over 3s and apparent size shrank 16% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 936,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:33:15.763",
    "epoch": 1783618395.7631567,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 918,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:33:16.773",
    "epoch": 1783618396.7732794,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 916,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:33:17.821",
    "epoch": 1783618397.821789,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 895,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:33:18.833",
    "epoch": 1783618398.8335307,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 933,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:33:19.904",
    "epoch": 1783618399.9043727,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 76px left over 3s and apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 886,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:33:20.903",
    "epoch": 1783618400.903908,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 107px left over 3s and apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 899,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:33:21.952",
    "epoch": 1783618401.9524672,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:33:22.963",
    "epoch": 1783618402.963098,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:24.982",
    "epoch": 1783618404.9825337,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 872,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:33:26.598",
    "epoch": 1783618406.5983934,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 833,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:33:28.899",
    "epoch": 1783618408.8994033,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 839,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:33:29.984",
    "epoch": 1783618409.9842143,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 902,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:31.142",
    "epoch": 1783618411.142852,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 931,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:32.280",
    "epoch": 1783618412.2800424,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 841,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:33.284",
    "epoch": 1783618413.2841215,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:34.332",
    "epoch": 1783618414.3326275,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 853,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:35.911",
    "epoch": 1783618415.9111757,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:33:39.650",
    "epoch": 1783618419.65046,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 881,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:33:40.728",
    "epoch": 1783618420.7287712,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 73px left over 3s and apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 884,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:41.768",
    "epoch": 1783618421.7685418,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 115px left over 3s and apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 908,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:42.774",
    "epoch": 1783618422.7745712,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 101px left over 3s and apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 873,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:43.822",
    "epoch": 1783618423.8227136,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:45.062",
    "epoch": 1783618425.0629478,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px right over 3s and apparent size shrank 25% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 846,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:46.075",
    "epoch": 1783618426.0750473,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 838,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:47.133",
    "epoch": 1783618427.1331651,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:48.134",
    "epoch": 1783618428.1346688,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 836,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:49.938",
    "epoch": 1783618429.9385593,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 852,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:51.023",
    "epoch": 1783618431.0233068,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:52.082",
    "epoch": 1783618432.0827522,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 851,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:58.378",
    "epoch": 1783618438.378497,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 855,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:33:59.512",
    "epoch": 1783618439.5122256,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 53px left over 2s and apparent size grew 46% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
    "latency_ms": 1285,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:34:00.932",
    "epoch": 1783618440.9325378,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px left over 3s and apparent size grew 56% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1248,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:34:02.403",
    "epoch": 1783618442.403205,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 900,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:34:03.405",
    "epoch": 1783618443.4050567,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 926,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:34:04.465",
    "epoch": 1783618444.4650238,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 93px right over 3s and apparent size grew 43% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 859,
    "applied_label": "walking",
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  {
    "timestamp": "2026-07-09 17:34:05.490",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 104px right over 2s and apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 863,
    "applied_label": "walking",
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  {
    "timestamp": "2026-07-09 17:34:06.553",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 90px right over 2s and apparent size grew 47% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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  {
    "timestamp": "2026-07-09 17:34:07.536",
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    "movement_context": "Person moved 84px left over 2s and apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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  {
    "timestamp": "2026-07-09 17:34:08.593",
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    "track_id": 1,
    "request_type": "multi_classify",
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    "movement_context": "Person moved 85px left over 2s and apparent size grew 31% (moving TOWARD camera).",
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    "vlm_label": "walking",
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  {
    "timestamp": "2026-07-09 17:34:09.594",
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    "request_type": "multi_classify",
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    "movement_context": "Person moved 203px left over 2s and apparent size shrank 9% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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  {
    "timestamp": "2026-07-09 17:34:10.653",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 89px left over 2s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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  {
    "timestamp": "2026-07-09 17:34:11.815",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 69px left over 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 17:34:12.907",
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    "track_id": 1,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:34:13.964",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:34:14.963",
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    "track_id": 1,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
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  },
  {
    "timestamp": "2026-07-09 17:34:16.012",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:34:17.022",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 20% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
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  },
  {
    "timestamp": "2026-07-09 17:34:18.085",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 32% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 828,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:34:19.094",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 27% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:34:20.167",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 922,
    "applied_label": "walking",
    "previous_label": "walking"
  },
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    "timestamp": "2026-07-09 17:34:21.391",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 907,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:34:22.519",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 848,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:34:23.629",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 904,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:34:24.687",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 905,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:34:25.697",
    "epoch": 1783618465.6976876,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 975,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:34:26.937",
    "epoch": 1783618466.9378164,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 105px left over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 965,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:34:28.002",
    "epoch": 1783618468.0025425,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 119px left over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 954,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:34:30.162",
    "epoch": 1783618470.1623056,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 904,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:34:33.048",
    "epoch": 1783618473.0488522,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 895,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:34:34.173",
    "epoch": 1783618474.1737802,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 99px right over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 865,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:34:35.185",
    "epoch": 1783618475.1854777,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 151px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:34:36.349",
    "epoch": 1783618476.3491056,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 147px right over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 901,
    "applied_label": "fall_candidate",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:34:37.472",
    "epoch": 1783618477.4724798,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 137px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 342,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:34:38.638",
    "epoch": 1783618478.6380937,
    "track_id": 1,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 974,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:34:38.713",
    "epoch": 1783618478.7133582,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 897,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:34:40.290",
    "epoch": 1783618480.2903564,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 893,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:34:41.374",
    "epoch": 1783618481.3741739,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 959,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:34:42.434",
    "epoch": 1783618482.434773,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 879,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:34:43.476",
    "epoch": 1783618483.4767203,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "lying_in_bed",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"lying_in_bed\"}]} ```",
    "latency_ms": 920,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:34:44.510",
    "epoch": 1783618484.5101135,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 931,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:34:45.737",
    "epoch": 1783618485.7374792,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 947,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:34:47.002",
    "epoch": 1783618487.0024972,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 910,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:34:48.204",
    "epoch": 1783618488.204228,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 875,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:34:49.214",
    "epoch": 1783618489.2143314,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 878,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:34:50.419",
    "epoch": 1783618490.4194555,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 877,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:34:51.518",
    "epoch": 1783618491.5182843,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 862,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:34:52.515",
    "epoch": 1783618492.5152829,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 48px left over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1338,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:34:53.988",
    "epoch": 1783618493.9882214,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 947,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:34:55.229",
    "epoch": 1783618495.229409,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 913,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:34:56.568",
    "epoch": 1783618496.568035,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 920,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:34:57.701",
    "epoch": 1783618497.7010455,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 913,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:34:58.859",
    "epoch": 1783618498.8590539,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 899,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:34:59.943",
    "epoch": 1783618499.9436836,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:01.003",
    "epoch": 1783618501.0031326,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 907,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:02.580",
    "epoch": 1783618502.5804944,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 890,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:04.229",
    "epoch": 1783618504.2295475,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 879,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:05.313",
    "epoch": 1783618505.3133647,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1352,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:06.783",
    "epoch": 1783618506.7834404,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 934,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:08.015",
    "epoch": 1783618508.0157044,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 885,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:09.022",
    "epoch": 1783618509.0227656,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:10.081",
    "epoch": 1783618510.0819645,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 21% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 914,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:11.095",
    "epoch": 1783618511.0953944,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 903,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:12.668",
    "epoch": 1783618512.6686015,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 905,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:14.191",
    "epoch": 1783618514.1914375,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 903,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:15.212",
    "epoch": 1783618515.2129962,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 901,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:16.276",
    "epoch": 1783618516.2762287,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 52px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 894,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:17.441",
    "epoch": 1783618517.441097,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 53px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 892,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:18.669",
    "epoch": 1783618518.6697528,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 897,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:19.753",
    "epoch": 1783618519.7531815,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 947,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:20.811",
    "epoch": 1783618520.8113766,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 933,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:21.823",
    "epoch": 1783618521.8235803,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 922,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:22.873",
    "epoch": 1783618522.8730967,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:23.882",
    "epoch": 1783618523.8829467,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px left over 3s and apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 929,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:24.932",
    "epoch": 1783618524.9321058,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 138px left over 3s and apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 933,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:25.944",
    "epoch": 1783618525.9449468,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 72px left over 3s and apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:35:27.005",
    "epoch": 1783618527.0055826,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 856,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:35:28.013",
    "epoch": 1783618528.0136943,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 111px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 862,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:35:29.063",
    "epoch": 1783618529.063658,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 75px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 863,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:35:31.679",
    "epoch": 1783618531.679998,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 878,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:35:32.781",
    "epoch": 1783618532.7818692,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 62px left over 3s and apparent size shrank 28% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 888,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:35:33.794",
    "epoch": 1783618533.7945638,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 146px left over 3s and apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1314,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:35:35.600",
    "epoch": 1783618535.600963,
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 928,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:38:35.785",
    "epoch": 1783618715.7858784,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 858,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:38:36.844",
    "epoch": 1783618716.8448896,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 918,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:38:38.188",
    "epoch": 1783618718.1885145,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 897,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:38:39.659",
    "epoch": 1783618719.6591935,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 913,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:38:41.078",
    "epoch": 1783618721.078941,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:38:42.319",
    "epoch": 1783618722.319503,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 900,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:38:43.561",
    "epoch": 1783618723.561624,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 874,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:38:44.685",
    "epoch": 1783618724.6854246,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 156px right over 3s and apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 913,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:38:46.096",
    "epoch": 1783618726.0969677,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 902,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:38:47.166",
    "epoch": 1783618727.1664398,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 75px left over 2s and apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 896,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:38:48.208",
    "epoch": 1783618728.2089953,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 895,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:38:49.235",
    "epoch": 1783618729.2352705,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 893,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:38:50.235",
    "epoch": 1783618730.2351484,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 59px right over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 897,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:38:51.284",
    "epoch": 1783618731.2843566,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px right over 3s and apparent size shrank 13% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 877,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:38:52.293",
    "epoch": 1783618732.293973,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px right over 3s and apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 888,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:38:53.355",
    "epoch": 1783618733.3552053,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 889,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:38:54.375",
    "epoch": 1783618734.3758838,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 887,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:38:55.447",
    "epoch": 1783618735.4478855,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 87px right over 3s and apparent size shrank 21% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 924,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 17:39:06.669",
    "epoch": 1783618746.6691465,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 841,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:07.795",
    "epoch": 1783618747.7951975,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 52px left over 2s and apparent size grew 15% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 867,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:08.807",
    "epoch": 1783618748.8073559,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1285,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:10.279",
    "epoch": 1783618750.2796707,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 49px right over 3s and apparent size grew 40% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 884,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:11.286",
    "epoch": 1783618751.2868972,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 135px right over 3s and apparent size grew 46% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 876,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:12.333",
    "epoch": 1783618752.33379,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 135px right over 3s and apparent size grew 60% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 917,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:13.349",
    "epoch": 1783618753.349429,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 980,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:14.586",
    "epoch": 1783618754.5869293,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 254px left over 3s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 878,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:15.667",
    "epoch": 1783618755.6670551,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 260px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 855,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:16.644",
    "epoch": 1783618756.6443512,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 111px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 939,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:17.717",
    "epoch": 1783618757.7177231,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 947,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:18.936",
    "epoch": 1783618758.9365337,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 977,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:39:20.300",
    "epoch": 1783618760.3000853,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 979,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:39:21.752",
    "epoch": 1783618761.752051,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 976,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:39:23.203",
    "epoch": 1783618763.203208,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 974,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:39:25.471",
    "epoch": 1783618765.4715955,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 957,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:26.560",
    "epoch": 1783618766.5607085,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 984,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:27.634",
    "epoch": 1783618767.634995,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 78px right over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 926,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:28.851",
    "epoch": 1783618768.851442,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 96px right over 3s and apparent size shrank 26% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 999,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:30.089",
    "epoch": 1783618770.0895596,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 99px right over 3s and apparent size shrank 28% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 973,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:31.317",
    "epoch": 1783618771.3170862,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px left over 3s and apparent size shrank 29% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 966,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:32.559",
    "epoch": 1783618772.5594096,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 990,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:33.844",
    "epoch": 1783618773.8442037,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 950,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:35.037",
    "epoch": 1783618775.037482,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 886,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:36.047",
    "epoch": 1783618776.0477078,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 931,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:37.097",
    "epoch": 1783618777.0970898,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 888,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:38.105",
    "epoch": 1783618778.1057317,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 917,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:39.167",
    "epoch": 1783618779.1675348,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 869,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:41.329",
    "epoch": 1783618781.3291855,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 878,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:42.799",
    "epoch": 1783618782.7997794,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 925,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:39:43.884",
    "epoch": 1783618783.8841605,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 940,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:39:44.949",
    "epoch": 1783618784.9490309,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 947,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:39:45.983",
    "epoch": 1783618785.983628,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 936,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:47.009",
    "epoch": 1783618787.0090258,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 1066,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:48.240",
    "epoch": 1783618788.2403762,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 969,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:49.481",
    "epoch": 1783618789.481715,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 987,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:39:50.721",
    "epoch": 1783618790.7214084,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1000,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:39:52.289",
    "epoch": 1783618792.2899935,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 928,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:39:53.375",
    "epoch": 1783618793.375704,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 964,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:39:54.436",
    "epoch": 1783618794.4361322,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 941,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:39:55.665",
    "epoch": 1783618795.6650615,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 985,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:39:56.905",
    "epoch": 1783618796.9052334,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 983,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:39:58.481",
    "epoch": 1783618798.4816196,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 950,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:39:59.667",
    "epoch": 1783618799.6672962,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 934,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:00.816",
    "epoch": 1783618800.8166418,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 42px right over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 971,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:02.052",
    "epoch": 1783618802.0528855,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 167px right over 3s and apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 866,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:03.097",
    "epoch": 1783618803.0973973,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 224px right over 3s and apparent size grew 53% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 890,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:40:04.105",
    "epoch": 1783618804.105797,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 165px right over 3s and apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 953,
    "applied_label": "fall_candidate",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:40:05.173",
    "epoch": 1783618805.1733959,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 75px right over 3s and apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "CONFIRMED_FALL",
    "raw_response": "CONFIRMED_FALL",
    "latency_ms": 337,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:40:06.321",
    "epoch": 1783618806.3213801,
    "track_id": 1,
    "request_type": "unknown",
    "zone": null,
    "movement_context": null,
    "frames_sent": 0,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 1114,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:40:06.401",
    "epoch": 1783618806.4014645,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 959,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:40:07.638",
    "epoch": 1783618807.6390162,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 927,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:40:08.651",
    "epoch": 1783618808.6511598,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 941,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:40:09.708",
    "epoch": 1783618809.7084308,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 886,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:40:10.707",
    "epoch": 1783618810.707347,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 925,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:40:11.769",
    "epoch": 1783618811.7697265,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 952,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:40:13.008",
    "epoch": 1783618813.00835,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 978,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:40:14.237",
    "epoch": 1783618814.2371705,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 1031,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:40:15.479",
    "epoch": 1783618815.479226,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 86px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 995,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:40:16.718",
    "epoch": 1783618816.7188249,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 982,
    "applied_label": "sitting",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-09 17:40:17.959",
    "epoch": 1783618817.9597213,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 71px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 949,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:19.196",
    "epoch": 1783618819.196213,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 921,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:20.358",
    "epoch": 1783618820.3583138,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 973,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:21.439",
    "epoch": 1783618821.4394648,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 986,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:23.430",
    "epoch": 1783618823.430881,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 986,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:24.555",
    "epoch": 1783618824.5556865,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 933,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:25.571",
    "epoch": 1783618825.5718331,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 959,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:40:26.627",
    "epoch": 1783618826.62716,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 985,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:40:27.861",
    "epoch": 1783618827.8614857,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1352,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:29.508",
    "epoch": 1783618829.50834,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 962,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:30.556",
    "epoch": 1783618830.5567875,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 944,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:31.756",
    "epoch": 1783618831.7569895,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:32.815",
    "epoch": 1783618832.8154101,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 932,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:33.852",
    "epoch": 1783618833.8522549,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:34.878",
    "epoch": 1783618834.8789597,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 915,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:35.884",
    "epoch": 1783618835.8847778,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 961,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:37.694",
    "epoch": 1783618837.6943996,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 959,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:38.776",
    "epoch": 1783618838.7767131,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 901,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:39.940",
    "epoch": 1783618839.9409962,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 939,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:41.069",
    "epoch": 1783618841.0691419,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:42.105",
    "epoch": 1783618842.105821,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 941,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:43.241",
    "epoch": 1783618843.2413476,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 989,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:44.374",
    "epoch": 1783618844.374641,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 985,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:46.132",
    "epoch": 1783618846.132094,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1428,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:48.188",
    "epoch": 1783618848.1889775,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 941,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:49.429",
    "epoch": 1783618849.4291997,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 941,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:50.557",
    "epoch": 1783618850.5575752,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 919,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:51.566",
    "epoch": 1783618851.5666888,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 952,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:52.627",
    "epoch": 1783618852.627573,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 964,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:54.377",
    "epoch": 1783618854.3780136,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 986,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:56.262",
    "epoch": 1783618856.2621267,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 986,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:40:57.681",
    "epoch": 1783618857.6816707,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 984,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:40:58.817",
    "epoch": 1783618858.817393,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1447,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:41:00.570",
    "epoch": 1783618860.5703025,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 950,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 17:41:03.460",
    "epoch": 1783618863.460317,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 968,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 17:41:04.587",
    "epoch": 1783618864.5873008,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 980,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:41:05.938",
    "epoch": 1783618865.9383948,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 976,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:41:07.070",
    "epoch": 1783618867.0709202,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 966,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 17:41:08.307",
    "epoch": 1783618868.3079295,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 958,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:41:09.547",
    "epoch": 1783618869.5478556,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 951,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:41:11.301",
    "epoch": 1783618871.3013563,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 917,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:41:15.663",
    "epoch": 1783618875.6640084,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 931,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:41:16.749",
    "epoch": 1783618876.7498991,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 960,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:41:17.798",
    "epoch": 1783618877.7980897,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 949,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:41:19.040",
    "epoch": 1783618879.0401347,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 950,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:41:20.276",
    "epoch": 1783618880.2768474,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 75px left over 3s and apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1331,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:41:21.700",
    "epoch": 1783618881.7001765,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 903,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:41:22.761",
    "epoch": 1783618882.761539,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 894,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:41:23.911",
    "epoch": 1783618883.911722,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 876,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:41:25.329",
    "epoch": 1783618885.3297544,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 904,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:52:22.308",
    "epoch": 1783619542.3087628,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 978,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-09 17:52:23.497",
    "epoch": 1783619543.4973676,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 957,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:52:25.072",
    "epoch": 1783619545.0730128,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 990,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:52:26.561",
    "epoch": 1783619546.561361,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 967,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 17:52:27.791",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 970,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:52:28.858",
    "epoch": 1783619548.8584442,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 995,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:52:30.566",
    "epoch": 1783619550.5664582,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1007,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:52:31.725",
    "epoch": 1783619551.7253306,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 998,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:52:33.077",
    "epoch": 1783619553.0774434,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 957,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:52:34.206",
    "epoch": 1783619554.206776,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 950,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
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    "timestamp": "2026-07-09 17:52:35.823",
    "epoch": 1783619555.8231018,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 969,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 17:52:37.215",
    "epoch": 1783619557.215919,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1004,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 17:52:38.672",
    "epoch": 1783619558.672807,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 995,
    "applied_label": "sitting",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 987,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 949,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 17:52:43.389",
    "epoch": 1783619563.3897226,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 983,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 17:52:45.273",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 935,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 17:52:46.509",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 942,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 17:52:48.571",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 913,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 17:52:50.220",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 957,
    "applied_label": "sitting",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 955,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-09 17:52:54.762",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 943,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 17:52:56.191",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 937,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-09 17:52:57.648",
    "epoch": 1783619577.6481879,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 963,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-09 17:52:59.213",
    "epoch": 1783619579.213363,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 972,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-09 17:53:00.541",
    "epoch": 1783619580.5414095,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 944,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:53:03.199",
    "epoch": 1783619583.199819,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 985,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 17:53:04.674",
    "epoch": 1783619584.6745634,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1003,
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    "timestamp": "2026-07-09 17:53:06.319",
    "epoch": 1783619586.3199072,
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 965,
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 955,
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 953,
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    "previous_label": "sitting"
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 992,
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    "timestamp": "2026-07-09 17:53:11.346",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 923,
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    "previous_label": "sitting"
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    "timestamp": "2026-07-09 17:53:13.110",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 957,
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 961,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 17:53:17.068",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 976,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:53:18.471",
    "epoch": 1783619598.4710736,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 996,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 17:53:19.711",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
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    "vlm_label": "sitting",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"sitting\"     }   ] } ```",
    "latency_ms": 1432,
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    "previous_label": "sitting"
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    "timestamp": "2026-07-09 17:53:21.590",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 17:53:23.015",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 960,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 17:53:24.888",
    "epoch": 1783619604.8885298,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 973,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:53:26.152",
    "epoch": 1783619606.1521754,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 17:53:27.373",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 17:53:28.611",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 952,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 17:53:29.838",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-09 17:53:30.930",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-09 17:53:31.991",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 966,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 17:53:33.972",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 967,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 17:53:36.448",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 942,
    "applied_label": "sitting",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 963,
    "applied_label": "sitting",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1021,
    "applied_label": "sitting",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1008,
    "applied_label": "sitting",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 988,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 17:53:46.436",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 17:53:47.837",
    "epoch": 1783619627.8373573,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 979,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 17:53:50.249",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 957,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
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    "timestamp": "2026-07-09 17:53:51.720",
    "epoch": 1783619631.720732,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 954,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
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    "timestamp": "2026-07-09 17:53:53.144",
    "epoch": 1783619633.1442,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 975,
    "applied_label": "sitting",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 17:54:00.376",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "epoch": 1783619641.8101711,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 17:54:03.460",
    "epoch": 1783619643.4602892,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 969,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 17:54:04.690",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "camera_id": "213",
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    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "track_id": 1,
    "request_type": "multi_classify",
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    "frames_sent": 2,
    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 17:58:05.006",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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  {
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 39% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:58:07.255",
    "epoch": 1783619887.2552023,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 29% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 905,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:58:08.273",
    "epoch": 1783619888.2732823,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 46px left over 3s and apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 909,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:58:09.317",
    "epoch": 1783619889.3177207,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 991,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:58:10.560",
    "epoch": 1783619890.5600436,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 946,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:58:11.799",
    "epoch": 1783619891.7994285,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 24% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 915,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:58:12.853",
    "epoch": 1783619892.8539119,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 966,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:58:14.039",
    "epoch": 1783619894.0397906,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 921,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:58:15.112",
    "epoch": 1783619895.1127005,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 70px right over 3s and apparent size grew 18% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 920,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 17:58:16.342",
    "epoch": 1783619896.3427336,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 951,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:58:17.571",
    "epoch": 1783619897.571203,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 959,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:58:18.816",
    "epoch": 1783619898.8169749,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px left over 3s and apparent size shrank 19% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 934,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:58:19.841",
    "epoch": 1783619899.8416677,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 957,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:58:20.885",
    "epoch": 1783619900.885691,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 950,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:58:22.202",
    "epoch": 1783619902.202056,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 909,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:58:23.368",
    "epoch": 1783619903.3681386,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 940,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:58:24.592",
    "epoch": 1783619904.5926843,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 894,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:58:25.604",
    "epoch": 1783619905.6047764,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 897,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:58:26.654",
    "epoch": 1783619906.6549962,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 899,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 17:58:27.657",
    "epoch": 1783619907.657177,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:58:28.732",
    "epoch": 1783619908.732382,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 41px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 911,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:58:29.737",
    "epoch": 1783619909.737091,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 926,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:58:30.785",
    "epoch": 1783619910.785069,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 79px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 919,
    "applied_label": "walking",
    "previous_label": "walking"
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    "timestamp": "2026-07-09 17:58:31.897",
    "epoch": 1783619911.8973324,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 908,
    "applied_label": "standing",
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    "timestamp": "2026-07-09 17:58:33.033",
    "epoch": 1783619913.0336833,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 912,
    "applied_label": "standing",
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    "timestamp": "2026-07-09 17:58:34.086",
    "epoch": 1783619914.086848,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 17:58:35.651",
    "epoch": 1783619915.6520107,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 850,
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    "previous_label": "standing"
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    "timestamp": "2026-07-09 17:58:37.079",
    "epoch": 1783619917.0790308,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 17:58:40.191",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 957,
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    "previous_label": "standing"
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    "timestamp": "2026-07-09 17:58:41.841",
    "epoch": 1783619921.8411806,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 900,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:58:43.077",
    "epoch": 1783619923.0779147,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 893,
    "applied_label": "walking",
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  {
    "timestamp": "2026-07-09 17:58:44.172",
    "epoch": 1783619924.172529,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 8% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 857,
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  {
    "timestamp": "2026-07-09 17:58:45.967",
    "epoch": 1783619925.9673657,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 926,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-09 17:58:47.390",
    "epoch": 1783619927.390737,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "standing",
    "previous_label": "standing"
  },
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    "timestamp": "2026-07-09 17:58:48.629",
    "epoch": 1783619928.6294396,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 17:58:50.708",
    "epoch": 1783619930.7087884,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 844,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:58:51.931",
    "epoch": 1783619931.931835,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 876,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:58:53.058",
    "epoch": 1783619933.0585403,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 915,
    "applied_label": "walking",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 17:58:54.070",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
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    "timestamp": "2026-07-09 17:58:55.146",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-09 17:59:30.949",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"standing\"     }   ] } ```",
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    "camera_id": "213",
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    "camera_id": "213",
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    "request_type": "multi_classify",
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    "movement_context": "Person moved 48px left over 3s and apparent size grew 9% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "track_id": 1,
    "request_type": "multi_classify",
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    "movement_context": "Person moved 51px right over 3s and apparent size shrank 39% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
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    "timestamp": "2026-07-09 18:02:07.450",
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    "track_id": 1,
    "request_type": "multi_classify",
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    "movement_context": "Person moved 78px right over 3s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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  {
    "timestamp": "2026-07-09 18:02:08.449",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 126px right over 3s and apparent size grew 44% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 18:02:09.512",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 126px right over 3s and apparent size grew 50% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1238,
    "applied_label": "standing",
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  {
    "timestamp": "2026-07-09 18:02:10.931",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "walking",
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  {
    "timestamp": "2026-07-09 18:02:11.990",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 78px left over 3s and apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 905,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-09 18:02:12.989",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 88px left over 3s and apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
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  {
    "timestamp": "2026-07-09 18:02:14.048",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 3s and apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:02:15.060",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:02:16.219",
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    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 893,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
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    "track_id": 3,
    "request_type": "multi_classify",
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    "epoch": 1783620612.3629076,
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
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    "previous_label": "sitting"
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    "timestamp": "2026-07-09 18:10:20.213",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 921,
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    "timestamp": "2026-07-09 18:10:21.959",
    "epoch": 1783620621.9594274,
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 42% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 908,
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    "previous_label": "sitting"
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    "timestamp": "2026-07-09 18:10:24.018",
    "epoch": 1783620624.0180473,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 37% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 921,
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    "timestamp": "2026-07-09 18:10:26.728",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 56% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 35% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 908,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 18:10:31.766",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 19% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 898,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 18:10:33.151",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 23% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 894,
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    "timestamp": "2026-07-09 18:10:34.834",
    "epoch": 1783620634.8347085,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 39% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 34% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 2s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 18:10:40.610",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 36% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 18:10:43.679",
    "epoch": 1783620643.6799753,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 880,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 18:10:45.479",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 878,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 18:10:47.359",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 901,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 18:10:48.455",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 899,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:10:51.490",
    "epoch": 1783620651.4903424,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 34% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 876,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:10:52.812",
    "epoch": 1783620652.8125627,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 21% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 875,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:10:57.298",
    "epoch": 1783620657.2980616,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 884,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:10:58.920",
    "epoch": 1783620658.9202218,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 905,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:11:00.159",
    "epoch": 1783620660.1596222,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 883,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 18:11:01.398",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 902,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:11:02.629",
    "epoch": 1783620662.6293967,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 18:11:03.903",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 888,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
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    "timestamp": "2026-07-09 18:11:05.110",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 890,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:11:06.214",
    "epoch": 1783620666.2144182,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:11:07.769",
    "epoch": 1783620667.7699273,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 11% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 890,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:11:09.503",
    "epoch": 1783620669.503224,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 18:11:10.554",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:11:12.539",
    "epoch": 1783620672.5395308,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 891,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:11:14.367",
    "epoch": 1783620674.3673441,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 37% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 861,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:11:15.618",
    "epoch": 1783620675.6184676,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 35% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 930,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:11:17.512",
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    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 870,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:11:19.561",
    "epoch": 1783620679.5616574,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 2s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 871,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "sitting",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 49% (moving TOWARD camera).",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 47% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "movement_context": "Person is TRAVELING across the room over the last 2s (walking).",
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    "camera_id": "213",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 1s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
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    "epoch": 1783620811.6229572,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 22% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-09 18:13:32.957",
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    "track_id": 2,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size shrank 19% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
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    "request_type": "multi_classify",
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    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
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    "track_id": 2,
    "request_type": "multi_classify",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 18% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 30% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 30% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "epoch": 1783620823.4461987,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 92% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 961,
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    "track_id": 2,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 47% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-09 18:13:45.737",
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 56px left over 3s and apparent size grew 59% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-09 18:13:46.971",
    "epoch": 1783620826.971295,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 64px left over 3s and apparent size shrank 35% (moving AWAY from camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "epoch": 1783620828.2168252,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 61px left over 3s and apparent size grew 37% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "epoch": 1783620829.4440212,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 75% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 78% (moving TOWARD camera).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person is TRAVELING across the room over the last 3s (walking).",
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    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 978,
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    "track_id": 2,
    "request_type": "multi_classify",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person is TRAVELING across the room over the last 3s (walking).",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-09 18:13:58.218",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 158% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-09 18:13:59.356",
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    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-09 18:14:01.105",
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    "request_type": "multi_classify",
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    "timestamp": "2026-07-09 18:14:02.243",
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    "request_type": "multi_classify",
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    "camera_id": "213",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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  {
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 171% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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  {
    "timestamp": "2026-07-09 18:14:05.460",
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    "request_type": "multi_classify",
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    "movement_context": "Person is TRAVELING across the room over the last 3s (walking).",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "timestamp": "2026-07-09 18:14:08.617",
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    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "walking",
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  {
    "timestamp": "2026-07-09 18:14:11.324",
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    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 79% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1009,
    "applied_label": "sitting",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 18:14:12.661",
    "epoch": 1783620852.6612926,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 87% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1037,
    "applied_label": "sitting",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 18:14:13.794",
    "epoch": 1783620853.7946253,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 41% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 971,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 18:14:15.361",
    "epoch": 1783620855.3613293,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 154% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
    "previous_label": "walking"
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  {
    "timestamp": "2026-07-09 18:43:09.514",
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    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
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    "camera_id": "213",
    "vlm_label": "unclear",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"unclear\"}]} ```",
    "latency_ms": 931,
    "applied_label": null,
    "previous_label": null
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  {
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 1s.",
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    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
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    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 18:47:24.330",
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 159px left over 2s and apparent size shrank 24% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 929,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 18:47:25.471",
    "epoch": 1783622845.4717185,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 158px left over 3s and apparent size shrank 30% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 852,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-09 18:47:26.479",
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 72px left over 3s and apparent size shrank 37% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 897,
    "applied_label": "walking",
    "previous_label": "walking"
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    "timestamp": "2026-07-09 18:47:27.529",
    "epoch": 1783622847.5293994,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving DOWNWARD (lowering to sit). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "sitting",
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person is TRAVELING across the room over the last 3s (walking).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
    "previous_label": "sitting"
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    "timestamp": "2026-07-09 18:47:29.590",
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    "track_id": 2,
    "request_type": "multi_classify",
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    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 944,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 18:47:30.834",
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 14% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 934,
    "applied_label": "sitting",
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    "timestamp": "2026-07-09 18:47:32.071",
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    "track_id": 2,
    "request_type": "multi_classify",
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    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 18:47:33.310",
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person is TRAVELING across the room over the last 3s (walking).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
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    "applied_label": "sitting",
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    "timestamp": "2026-07-09 18:47:34.321",
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person is TRAVELING across the room over the last 3s (walking).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 891,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 18:47:36.761",
    "epoch": 1783622856.7619107,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 18:47:38.185",
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    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 900,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:47:41.313",
    "epoch": 1783622861.3134527,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 945,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:47:42.721",
    "epoch": 1783622862.7214367,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 882,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:47:43.960",
    "epoch": 1783622863.9606936,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 923,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:47:45.052",
    "epoch": 1783622865.0526268,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 13% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 941,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:47:46.106",
    "epoch": 1783622866.1068435,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 12% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 966,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:47:48.080",
    "epoch": 1783622868.0803728,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 893,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:47:49.172",
    "epoch": 1783622869.1727695,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 941,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:47:50.235",
    "epoch": 1783622870.2359266,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 929,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:47:51.570",
    "epoch": 1783622871.5702586,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person is TRAVELING across the room over the last 3s (walking).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 896,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:47:52.717",
    "epoch": 1783622872.7171676,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 10% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 949,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-09 18:47:53.945",
    "epoch": 1783622873.9457815,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person is TRAVELING across the room over the last 3s (walking).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 868,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:47:54.951",
    "epoch": 1783622874.9510894,
    "track_id": 2,
    "request_type": "multi_classify",
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    "movement_context": "Person is TRAVELING across the room over the last 3s (walking).",
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    "request_type": "multi_classify",
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    "request_type": "multi_classify",
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    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
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    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
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    "timestamp": "2026-07-09 18:48:42.413",
    "epoch": 1783622922.413953,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person is TRAVELING across the room over the last 3s (walking).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 910,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 18:48:43.477",
    "epoch": 1783622923.4773142,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person is TRAVELING across the room over the last 3s (walking).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"standing\"}]} ```",
    "latency_ms": 926,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 18:48:44.705",
    "epoch": 1783622924.705541,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 923,
    "applied_label": "sitting",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-09 18:48:45.747",
    "epoch": 1783622925.7472982,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 884,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:48:46.954",
    "epoch": 1783622926.9548535,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px left over 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 920,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:48:48.521",
    "epoch": 1783622928.5215688,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 55px left over 3s.",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 909,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:48:49.683",
    "epoch": 1783622929.6835065,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size shrank 12% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 885,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:48:50.672",
    "epoch": 1783622930.6727219,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px right over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 890,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:48:51.902",
    "epoch": 1783622931.9029362,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person's body is moving UPWARD (standing up). This is a posture change, NOT walking. Classify posture from the images.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 894,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:48:52.960",
    "epoch": 1783622932.9603608,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 17% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 907,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:48:53.976",
    "epoch": 1783622933.9762855,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 889,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:48:55.021",
    "epoch": 1783622935.0219865,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person is TRAVELING across the room over the last 3s (walking).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 853,
    "applied_label": "standing",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:48:56.031",
    "epoch": 1783622936.0317466,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 904,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 18:48:57.094",
    "epoch": 1783622937.09472,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 899,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-09 18:48:58.095",
    "epoch": 1783622938.09549,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 911,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:48:59.155",
    "epoch": 1783622939.1557264,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person is TRAVELING across the room over the last 3s (walking).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 910,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:49:00.169",
    "epoch": 1783622940.169889,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person is TRAVELING across the room over the last 3s (walking).",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 905,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:49:01.217",
    "epoch": 1783622941.2174737,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 939,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-09 18:49:02.459",
    "epoch": 1783622942.4593406,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "213",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 976,
    "applied_label": "sitting",
    "previous_label": "sitting"
  }
]