{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-25T07:10:07.856244+00:00","duration_seconds":2.212194,"id":2842346,"input_summary":"chars=641 node=683211","metadata":{"llm_candidates":[{"callsign":"KX2CW","confidence":0.78},{"callsign":"AB6MB","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KX2CW,AB6MB","recording_id":267701,"started_at":"2026-08-25T07:10:05.644050+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":253507}