{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-28T20:20:27.567670+00:00","duration_seconds":2.286868,"id":2924170,"input_summary":"chars=368 node=66296","metadata":{"llm_candidates":[{"callsign":"K7NUI","confidence":0.78},{"callsign":"K9JEP","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K7NUI,K9JEP","recording_id":276484,"started_at":"2026-08-28T20:20:25.280802+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":261378}