{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-20T06:31:57.457890+00:00","duration_seconds":2.490561,"id":2723019,"input_summary":"chars=556 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7ZBX","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7ZBX","recording_id":254873,"started_at":"2026-08-20T06:31:54.967329+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":241844}