{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-20T04:57:40.794011+00:00","duration_seconds":2.557941,"id":2722068,"input_summary":"chars=248 node=683211","metadata":{"llm_candidates":[{"callsign":"K3OE","confidence":0.78},{"callsign":"B6MB","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=K3OE,B6MB","recording_id":254770,"started_at":"2026-08-20T04:57:38.236070+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":241742}