{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-28T12:34:56.670052+00:00","duration_seconds":2.310665,"id":2914476,"input_summary":"chars=549 node=683210","metadata":{"llm_candidates":[{"callsign":"KM4WZD","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KM4WZD","recording_id":275228,"started_at":"2026-08-28T12:34:54.359387+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":260312}