{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T05:41:53.116697+00:00","duration_seconds":2.343149,"id":1784221,"input_summary":"chars=651 node=683211","metadata":{"llm_candidates":[{"callsign":"KK79JZ","confidence":0.78},{"callsign":"AB6MB","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KK79JZ,AB6MB","recording_id":171433,"started_at":"2026-07-17T05:41:50.773548+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":167088}