{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-24T14:44:03.786363+00:00","duration_seconds":2.301105,"id":2821657,"input_summary":"chars=581 node=683211","metadata":{"llm_candidates":[{"callsign":"KC2BK2","confidence":0.78},{"callsign":"M5LGM","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KC2BK2,M5LGM","recording_id":265523,"started_at":"2026-08-24T14:44:01.485258+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":251551}