{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-09T01:41:44.250470+00:00","duration_seconds":1.567633,"id":2472225,"input_summary":"chars=96 node=683210","metadata":{"llm_candidates":[{"callsign":"K4C","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K4C","recording_id":227617,"started_at":"2026-08-09T01:41:42.682837+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":217312}