{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T21:27:42.143756+00:00","duration_seconds":8.509819,"id":1448905,"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":148614,"started_at":"2026-07-06T21:27:33.633937+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146656}