[
  {
    "timestamp": "2026-07-08 20:24:34.678",
    "epoch": 1783542274.6782174,
    "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": "214",
    "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 20:24:35.732",
    "epoch": 1783542275.7320232,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 91px left over 2s and apparent size shrank 9% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 865,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:24:36.739",
    "epoch": 1783542276.739996,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px left over 3s and apparent size shrank 17% (moving AWAY from camera).",
    "frames_sent": 1,
    "camera_id": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 858,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:24:37.801",
    "epoch": 1783542277.801091,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 51px left over 3s and apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "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 20:24:38.813",
    "epoch": 1783542278.813743,
    "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": "214",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 925,
    "applied_label": "trying_to_stand",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:24:40.266",
    "epoch": 1783542280.2662258,
    "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": "214",
    "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": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:24:41.279",
    "epoch": 1783542281.279733,
    "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": "214",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 902,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:24:42.342",
    "epoch": 1783542282.3422208,
    "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": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 869,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:24:43.350",
    "epoch": 1783542283.3508363,
    "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": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 866,
    "applied_label": "walking",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:24:44.400",
    "epoch": 1783542284.4009845,
    "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": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 871,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:24:45.410",
    "epoch": 1783542285.410342,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 48px left over 3s and apparent size shrank 18% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "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 20:24:46.460",
    "epoch": 1783542286.4609544,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 22% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "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 20:24:47.471",
    "epoch": 1783542287.4716053,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "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 20:24:48.531",
    "epoch": 1783542288.5312264,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 32% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 860,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:24:49.541",
    "epoch": 1783542289.5411232,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 854,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:24:52.837",
    "epoch": 1783542292.837947,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 885,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:24:53.891",
    "epoch": 1783542293.8918686,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "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 20:24:55.128",
    "epoch": 1783542295.1283247,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 872,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:24:56.143",
    "epoch": 1783542296.143347,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 16% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 878,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:24:57.192",
    "epoch": 1783542297.1927824,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "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 20:24:58.202",
    "epoch": 1783542298.2023578,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 930,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:24:59.261",
    "epoch": 1783542299.2618737,
    "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": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 860,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:25:00.722",
    "epoch": 1783542300.722636,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 933,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:25:01.733",
    "epoch": 1783542301.733888,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 912,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:25:03.377",
    "epoch": 1783542303.3772035,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 11% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"standing\"}]} ```",
    "latency_ms": 832,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:25:04.390",
    "epoch": 1783542304.3905215,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "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 20:25:05.451",
    "epoch": 1783542305.4513004,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "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 20:25:06.485",
    "epoch": 1783542306.4850223,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px left over 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 887,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:25:07.512",
    "epoch": 1783542307.512419,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 116px left over 3s and apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"walking\"}]} ```",
    "latency_ms": 929,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:25:08.522",
    "epoch": 1783542308.5226574,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 113px left over 3s and apparent size grew 25% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1244,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:25:09.990",
    "epoch": 1783542309.9907496,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 103px left over 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 867,
    "applied_label": "sitting",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:25:13.465",
    "epoch": 1783542313.4655719,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "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 20:25:19.658",
    "epoch": 1783542319.6582983,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 851,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:25:23.189",
    "epoch": 1783542323.189278,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 916,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:25:24.430",
    "epoch": 1783542324.4307594,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 113px right over 3s.",
    "frames_sent": 1,
    "camera_id": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 908,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:25:25.456",
    "epoch": 1783542325.4568434,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 122px right over 3s.",
    "frames_sent": 1,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 899,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:25:26.500",
    "epoch": 1783542326.5007896,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 119px right over 3s and apparent size shrank 15% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 907,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:25:27.511",
    "epoch": 1783542327.511526,
    "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": "214",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 986,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:25:28.970",
    "epoch": 1783542328.9709084,
    "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": "214",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 987,
    "applied_label": "trying_to_sit",
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    "timestamp": "2026-07-08 20:25:30.389",
    "epoch": 1783542330.3891027,
    "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": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 869,
    "applied_label": "fall_candidate",
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    "timestamp": "2026-07-08 20:25:31.447",
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    "camera_id": "214",
    "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 20:25:31.865",
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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": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 892,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 20:25:33.276",
    "epoch": 1783542333.2765758,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 903,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 20:25:34.353",
    "epoch": 1783542334.3535697,
    "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": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 915,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 20:25:35.802",
    "epoch": 1783542335.802194,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 896,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 20:25:37.226",
    "epoch": 1783542337.2261422,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 890,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 20:25:38.229",
    "epoch": 1783542338.2297215,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 28% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 890,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 20:25:39.291",
    "epoch": 1783542339.2919428,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 31% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 909,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 20:25:40.310",
    "epoch": 1783542340.3105204,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 29% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "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 20:25:41.350",
    "epoch": 1783542341.3503356,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 903,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 20:25:42.360",
    "epoch": 1783542342.3608537,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 868,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 20:25:43.421",
    "epoch": 1783542343.4215486,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "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 20:25:44.430",
    "epoch": 1783542344.4302576,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 907,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:25:45.892",
    "epoch": 1783542345.8923683,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 975,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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  {
    "timestamp": "2026-07-08 20:25:46.902",
    "epoch": 1783542346.9026184,
    "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": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 956,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 20:25:47.964",
    "epoch": 1783542347.9643605,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 904,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:25:48.972",
    "epoch": 1783542348.972524,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 10% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 1,       \"activity\": \"fallen\"     }   ] } ```",
    "latency_ms": 1263,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
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    "timestamp": "2026-07-08 20:25:52.266",
    "epoch": 1783542352.266941,
    "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": "214",
    "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 20:25:53.320",
    "epoch": 1783542353.3206065,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 14% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 869,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:25:54.330",
    "epoch": 1783542354.330222,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 870,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:25:55.567",
    "epoch": 1783542355.567386,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "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 20:25:56.633",
    "epoch": 1783542356.633874,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 863,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
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    "timestamp": "2026-07-08 20:25:57.765",
    "epoch": 1783542357.7655268,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 870,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
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    "timestamp": "2026-07-08 20:25:58.704",
    "epoch": 1783542358.7049108,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 868,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:25:59.701",
    "epoch": 1783542359.7015626,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 862,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:26:00.924",
    "epoch": 1783542360.9248276,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 862,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:26:02.167",
    "epoch": 1783542362.1671016,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 845,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:26:03.228",
    "epoch": 1783542363.2289193,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 877,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:26:04.291",
    "epoch": 1783542364.2918715,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 870,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:26:05.295",
    "epoch": 1783542365.2951834,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "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 20:26:06.305",
    "epoch": 1783542366.3060117,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 926,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:26:07.574",
    "epoch": 1783542367.574886,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 868,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:26:08.589",
    "epoch": 1783542368.5891635,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "fallen",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"fallen\"}]} ```",
    "latency_ms": 868,
    "applied_label": "fall_candidate",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:26:09.599",
    "epoch": 1783542369.599878,
    "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": "214",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 962,
    "applied_label": "trying_to_stand",
    "previous_label": "fall_candidate"
  },
  {
    "timestamp": "2026-07-08 20:26:10.662",
    "epoch": 1783542370.6624892,
    "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": "214",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1042,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:26:11.905",
    "epoch": 1783542371.9056075,
    "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": "214",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 978,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:26:12.902",
    "epoch": 1783542372.902443,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 56px right over 3s and apparent size grew 27% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1011,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:26:13.989",
    "epoch": 1783542373.9892137,
    "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": "214",
    "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 20:26:15.197",
    "epoch": 1783542375.197384,
    "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": "214",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 977,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:26:16.205",
    "epoch": 1783542376.205524,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 76px left over 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 935,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:26:17.268",
    "epoch": 1783542377.268663,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 973,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:26:18.280",
    "epoch": 1783542378.280158,
    "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": "214",
    "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 20:26:20.155",
    "epoch": 1783542380.1554782,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "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 20:26:21.168",
    "epoch": 1783542381.1683755,
    "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": "214",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1031,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:26:22.218",
    "epoch": 1783542382.2185495,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 966,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:26:24.087",
    "epoch": 1783542384.087779,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 991,
    "applied_label": "sitting",
    "previous_label": "sitting"
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  {
    "timestamp": "2026-07-08 20:26:25.117",
    "epoch": 1783542385.1170716,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 957,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:26:26.118",
    "epoch": 1783542386.1188972,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 8% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "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 20:26:27.168",
    "epoch": 1783542387.169006,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1019,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:26:29.413",
    "epoch": 1783542389.4139676,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 957,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:26:30.469",
    "epoch": 1783542390.469395,
    "track_id": 1,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 1, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 926,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:13.384",
    "epoch": 1783542433.3847892,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 983,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:27:14.395",
    "epoch": 1783542434.3960083,
    "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": "214",
    "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 20:27:15.458",
    "epoch": 1783542435.4580297,
    "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": "214",
    "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 20:27:16.469",
    "epoch": 1783542436.4697742,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 960,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:17.933",
    "epoch": 1783542437.9332316,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 955,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:19.353",
    "epoch": 1783542439.3537974,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 971,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:20.406",
    "epoch": 1783542440.4061499,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 930,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:22.240",
    "epoch": 1783542442.2404337,
    "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": "214",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1008,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:23.297",
    "epoch": 1783542443.2977731,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 985,
    "applied_label": "sitting",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:27:24.536",
    "epoch": 1783542444.5365136,
    "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": "214",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1051,
    "applied_label": "trying_to_sit",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:25.783",
    "epoch": 1783542445.783123,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 984,
    "applied_label": "sitting",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:27:27.013",
    "epoch": 1783542447.0139835,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 997,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:28.021",
    "epoch": 1783542448.0218534,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1016,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:29.483",
    "epoch": 1783542449.48357,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 945,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:31.734",
    "epoch": 1783542451.7349055,
    "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": "214",
    "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 20:27:32.789",
    "epoch": 1783542452.7892263,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 965,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:33.799",
    "epoch": 1783542453.7990212,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 939,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:36.911",
    "epoch": 1783542456.9119911,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 864,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:41.681",
    "epoch": 1783542461.6815712,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 956,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:42.696",
    "epoch": 1783542462.6967227,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 965,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:44.931",
    "epoch": 1783542464.931681,
    "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": "214",
    "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 20:27:45.996",
    "epoch": 1783542465.9963837,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 922,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:47.007",
    "epoch": 1783542467.0079157,
    "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": "214",
    "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 20:27:48.056",
    "epoch": 1783542468.05687,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 948,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:49.065",
    "epoch": 1783542469.0659566,
    "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": "214",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1019,
    "applied_label": "trying_to_sit",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:50.126",
    "epoch": 1783542470.126247,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 956,
    "applied_label": "sitting",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:27:51.772",
    "epoch": 1783542471.772868,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 950,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:54.253",
    "epoch": 1783542474.253755,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 918,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:27:55.893",
    "epoch": 1783542475.8934915,
    "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": "214",
    "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 20:27:57.133",
    "epoch": 1783542477.1331556,
    "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": "214",
    "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 20:27:58.149",
    "epoch": 1783542478.14976,
    "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": "214",
    "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 20:28:01.263",
    "epoch": 1783542481.2637908,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 966,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:28:07.455",
    "epoch": 1783542487.4552388,
    "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": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 1033,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:28:08.699",
    "epoch": 1783542488.6992557,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 43px left over 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "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 20:28:09.732",
    "epoch": 1783542489.7329595,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 136px left over 3s and apparent size grew 20% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 988,
    "applied_label": "trying_to_stand",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:28:10.757",
    "epoch": 1783542490.7576137,
    "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": "214",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 1016,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:28:11.997",
    "epoch": 1783542491.997503,
    "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": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 929,
    "applied_label": "trying_to_stand",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:28:52.204",
    "epoch": 1783542532.2042818,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "214",
    "vlm_label": "sitting",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"sitting\"}]} ```",
    "latency_ms": 980,
    "applied_label": "sitting",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:28:53.268",
    "epoch": 1783542533.2689505,
    "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": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 915,
    "applied_label": "sitting",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:28:54.279",
    "epoch": 1783542534.2795856,
    "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": 1,
    "camera_id": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 919,
    "applied_label": "walking",
    "previous_label": "sitting"
  },
  {
    "timestamp": "2026-07-08 20:28:55.682",
    "epoch": 1783542535.6822996,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 54px left over 2s and apparent size shrank 40% (moving AWAY from camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 887,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:29:08.944",
    "epoch": 1783542548.9443104,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 26% (moving TOWARD camera).",
    "frames_sent": 1,
    "camera_id": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 919,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:29:09.962",
    "epoch": 1783542549.9624972,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 73px left over 2s and apparent size grew 49% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 952,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:29:11.010",
    "epoch": 1783542551.0102026,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 64px left over 3s and apparent size grew 82% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 2, \"activity\": \"walking\"}]} ```",
    "latency_ms": 938,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:29:12.022",
    "epoch": 1783542552.022202,
    "track_id": 2,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 73px right over 3s and apparent size grew 72% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "walking",
    "raw_response": "```json {   \"persons\": [     {       \"track_id\": 2,       \"activity\": \"walking\"     }   ] } ```",
    "latency_ms": 1335,
    "applied_label": "walking",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:29:30.810",
    "epoch": 1783542570.8109436,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "No movement data available.",
    "frames_sent": 1,
    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 871,
    "applied_label": "standing",
    "previous_label": null
  },
  {
    "timestamp": "2026-07-08 20:29:31.827",
    "epoch": 1783542571.8275805,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 100px left over 1s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 896,
    "applied_label": "walking",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:29:32.889",
    "epoch": 1783542572.889923,
    "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": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 892,
    "applied_label": "standing",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:29:33.898",
    "epoch": 1783542573.898017,
    "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": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 885,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:29:34.949",
    "epoch": 1783542574.949288,
    "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": "214",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 1030,
    "applied_label": "trying_to_sit",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:29:36.187",
    "epoch": 1783542576.1877646,
    "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": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 901,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:29:37.197",
    "epoch": 1783542577.1973314,
    "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": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 893,
    "applied_label": "standing",
    "previous_label": "trying_to_sit"
  },
  {
    "timestamp": "2026-07-08 20:29:38.651",
    "epoch": 1783542578.651748,
    "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": "214",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 972,
    "applied_label": "trying_to_stand",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:29:39.672",
    "epoch": 1783542579.6728666,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 74px right over 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 888,
    "applied_label": "standing",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:29:40.728",
    "epoch": 1783542580.7281404,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 83px right over 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 880,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:29:41.738",
    "epoch": 1783542581.7380292,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 66px right over 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 885,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:29:43.611",
    "epoch": 1783542583.611754,
    "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": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"standing\"}]} ```",
    "latency_ms": 886,
    "applied_label": "standing",
    "previous_label": "standing"
  },
  {
    "timestamp": "2026-07-08 20:29:44.627",
    "epoch": 1783542584.6278987,
    "track_id": 3,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 76px right over 3s.",
    "frames_sent": 1,
    "camera_id": "214",
    "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 20:29:45.678",
    "epoch": 1783542585.6781929,
    "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": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 893,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:29:46.688",
    "epoch": 1783542586.688476,
    "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": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 922,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:29:47.738",
    "epoch": 1783542587.7381976,
    "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": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 931,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:29:48.972",
    "epoch": 1783542588.972448,
    "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": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 3, \"activity\": \"walking\"}]} ```",
    "latency_ms": 940,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:29:50.213",
    "epoch": 1783542590.21401,
    "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": "214",
    "vlm_label": "walking",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
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    "request_type": "multi_classify",
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    "camera_id": "214",
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    "request_type": "multi_classify",
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    "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": "214",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
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    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 47px right over 3s and apparent size grew 19% (moving TOWARD camera).",
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    "camera_id": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
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    "applied_label": "trying_to_stand",
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    "request_type": "multi_classify",
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    "camera_id": "214",
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    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
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    "track_id": 4,
    "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": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
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    "request_type": "multi_classify",
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    "camera_id": "214",
    "vlm_label": "standing",
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    "track_id": 4,
    "request_type": "multi_classify",
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    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"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\": 4, \"activity\": \"standing\"}]} ```",
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    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person apparent size grew 9% (moving TOWARD camera).",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
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    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
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    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "214",
    "vlm_label": "standing",
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    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
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    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
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    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
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    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
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    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 937,
    "applied_label": "standing",
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    "timestamp": "2026-07-08 20:31:47.842",
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    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person has NOT changed position over the last 3s.",
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    "camera_id": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
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    "timestamp": "2026-07-08 20:31:48.858",
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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": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
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    "applied_label": "standing",
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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": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 1015,
    "applied_label": "standing",
    "previous_label": "standing"
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    "timestamp": "2026-07-08 20:31:57.922",
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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": "214",
    "vlm_label": "standing",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"standing\"}]} ```",
    "latency_ms": 883,
    "applied_label": "standing",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-08 20:31:58.978",
    "epoch": 1783542718.9789069,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 53px right over 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 859,
    "applied_label": "walking",
    "previous_label": "standing"
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  {
    "timestamp": "2026-07-08 20:31:59.987",
    "epoch": 1783542719.9873078,
    "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": "214",
    "vlm_label": "walking",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"walking\"}]} ```",
    "latency_ms": 878,
    "applied_label": "walking",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:32:01.037",
    "epoch": 1783542721.0375652,
    "track_id": 4,
    "request_type": "multi_classify",
    "zone": "floor",
    "movement_context": "Person moved 99px right over 3s.",
    "frames_sent": 2,
    "camera_id": "214",
    "vlm_label": "trying_to_stand",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_stand\"}]} ```",
    "latency_ms": 943,
    "applied_label": "trying_to_stand",
    "previous_label": "walking"
  },
  {
    "timestamp": "2026-07-08 20:32:02.047",
    "epoch": 1783542722.047183,
    "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": "214",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 994,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_stand"
  },
  {
    "timestamp": "2026-07-08 20:32:03.108",
    "epoch": 1783542723.10888,
    "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": "214",
    "vlm_label": "trying_to_sit",
    "raw_response": "```json {\"persons\": [{\"track_id\": 4, \"activity\": \"trying_to_sit\"}]} ```",
    "latency_ms": 993,
    "applied_label": "trying_to_sit",
    "previous_label": "trying_to_sit"
  }
]