{"active_scenarios": ["no_hardhat_persistent", "danger_area_loitering", "falldown_detected", "fire_detected"], "analysis_config": {"flush_interval_seconds": 15.0, "include_event_records": true, "max_buffer_records": 32, "summary_interval_frames": 120, "summary_only": true}, "cctv_id": "21", "created_at": "2026-05-20T16:34:11", "instance_id": "fe6d689a", "record_type": "session_start", "source_url": "rtsp://nk20001.iptime.org:554/live02"}
{"cctv_id": "21", "created_at": "2026-05-20T16:34:31", "instance_id": "fe6d689a", "payload": {"active_detection_counts": {"중장비": 2}, "analysis_flags": {"summary_due": true}, "frame_counters": {"real_match_assigned": 2, "tracker_online_targets": 2, "tracker_update_calls": 1}, "frame_idx": 120, "lifetime_counters": {"real_match_assigned": 247, "tracker_online_targets": 247, "tracker_removed_tracks": 1, "tracker_update_calls": 120}, "scenario_analysis": {"_execution": {"_resolved_scenarios": ["no_hardhat_persistent", "danger_area_loitering", "falldown_detected", "fire_detected"], "danger_area_loitering": {"returned_event_count": 0, "status": "returned_events"}, "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": 0.045583, "bbox_height_ratio_median": 0.453125, "bbox_height_ratio_p75": 0.53125, "bbox_width_ratio_median": 0.083008, "frame_presence_count": 120, "label_counts": {"tower_crane": 240, "wheel loader": 7}, "object_sample_count": 247}}, "scene_scale_metrics": {}, "scene_scale_profile": "mixed", "track_kind_counts": {"manual": 0, "pseudo": 0, "real": 2}}, "record_type": "tracking_summary"}
{"cctv_id": "21", "created_at": "2026-05-20T16:34:45", "instance_id": "fe6d689a", "record_counts": {"scenario_event": 0, "tracking_summary": 1}, "record_type": "session_stop"}