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{"cctv_id": "20", "created_at": "2026-05-18T10:43:07", "instance_id": "8dc570e2", "payload": {"active_detection_counts": {}, "analysis_flags": {"summary_due": true}, "frame_counters": {"tracker_update_calls": 1}, "frame_idx": 120, "lifetime_counters": {"real_match_assigned": 3, "tracker_online_targets": 3, "tracker_update_calls": 120}, "scenario_analysis": {"_execution": {"_resolved_scenarios": ["falldown_detected", "no_hardhat_persistent", "fire_detected"], "falldown_detected": {"returned_event_count": 0, "status": "returned_events"}, "fire_detected": {"returned_event_count": 0, "status": "returned_events"}, "no_hardhat_persistent": {"returned_event_count": 0, "status": "returned_events"}}, "no_hardhat_persistent": {"active_violation_count": 0, "current_violation_count": 0, "recovered_violation_count": 0, "recovery_grace_seconds": 2.0}}, "scene_metrics": {"중장비": {"bbox_area_ratio_median": 0.001255, "bbox_height_ratio_median": 0.0438, "bbox_height_ratio_p75": 0.0438, "bbox_width_ratio_median": 0.028642, "frame_presence_count": 3, "label_counts": {"wheel loader": 3}, "object_sample_count": 3}}, "scene_scale_metrics": {}, "scene_scale_profile": "mixed", "track_kind_counts": {"manual": 0, "pseudo": 0, "real": 0}}, "record_type": "tracking_summary"}
{"cctv_id": "20", "created_at": "2026-05-18T10:43:19", "instance_id": "8dc570e2", "payload": {"active_detection_counts": {}, "analysis_flags": {"summary_due": true}, "frame_counters": {"tracker_update_calls": 1}, "frame_idx": 240, "lifetime_counters": {"real_match_assigned": 3, "tracker_online_targets": 3, "tracker_update_calls": 240}, "scenario_analysis": {"_execution": {"_resolved_scenarios": ["falldown_detected", "no_hardhat_persistent", "fire_detected"], "falldown_detected": {"returned_event_count": 0, "status": "returned_events"}, "fire_detected": {"returned_event_count": 0, "status": "returned_events"}, "no_hardhat_persistent": {"returned_event_count": 0, "status": "returned_events"}}, "no_hardhat_persistent": {"active_violation_count": 0, "current_violation_count": 0, "recovered_violation_count": 0, "recovery_grace_seconds": 2.0}}, "scene_metrics": {}, "scene_scale_metrics": {}, "scene_scale_profile": "mixed", "track_kind_counts": {"manual": 0, "pseudo": 0, "real": 0}}, "record_type": "tracking_summary"}
{"cctv_id": "20", "created_at": "2026-05-18T10:43:28", "instance_id": "8dc570e2", "record_counts": {"scenario_event": 0, "tracking_summary": 2}, "record_type": "session_stop"}