{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-25T18:53:41.372152+00:00","duration_seconds":3.584029,"id":2853178,"input_summary":"chars=374 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7IJZ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KK7IJZ","recording_id":268899,"started_at":"2026-08-25T18:53:37.788123+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":254571}