{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-21T17:17:26.090745+00:00","duration_seconds":2.438437,"id":2756690,"input_summary":"chars=702 node=683210","metadata":{"llm_candidates":[{"callsign":"K4LGI","confidence":0.78},{"callsign":"AI6US","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K4LGI,AI6US","recording_id":258546,"started_at":"2026-08-21T17:17:23.652308+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":245157}