{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T19:12:11.130297+00:00","duration_seconds":18.148851,"id":1609546,"input_summary":"chars=519 node=683210","metadata":{"llm_candidates":[{"callsign":"N5ZUN","confidence":0.78},{"callsign":"N7FGP","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=N5ZUN,N7FGP","recording_id":159812,"started_at":"2026-07-11T19:11:52.981446+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":156738}