{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T12:22:03.596540+00:00","duration_seconds":7.112587,"id":1788852,"input_summary":"chars=28 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"NT7H","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=NT7H","recording_id":171669,"started_at":"2026-07-17T12:21:56.483953+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":167321}