{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T14:51:04.923511+00:00","duration_seconds":12.384884,"id":1503604,"input_summary":"chars=735 node=683211","metadata":{"llm_candidates":[{"callsign":"KC7YFE","confidence":0.78},{"callsign":"KT7JOE","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KC7YFE,KT7JOE","recording_id":152530,"started_at":"2026-07-08T14:50:52.538627+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":150086}