{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T18:54:20.310854+00:00","duration_seconds":2.502037,"id":1476012,"input_summary":"chars=29 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"NT7H","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=NT7H","recording_id":150599,"started_at":"2026-07-07T18:54:17.808817+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":148376}