{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T18:33:01.655197+00:00","duration_seconds":1.333714,"id":1475571,"input_summary":"chars=594 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7HLV","confidence":0.78},{"callsign":"WN4V","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KK7HLV,WN4V","recording_id":150567,"started_at":"2026-07-07T18:33:00.321483+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":148349}