{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T18:17:58.193707+00:00","duration_seconds":2.053717,"id":1755975,"input_summary":"chars=67 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KF7ADV","confidence":0.78},{"callsign":"N7H","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KF7ADV,N7H","recording_id":169493,"started_at":"2026-07-16T18:17:56.139990+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":165379}