{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T19:17:58.223750+00:00","duration_seconds":21.430169,"id":253104,"input_summary":"chars=506 node=683211","metadata":{"llm_candidates":[{"callsign":"N7U","confidence":0.8}]},"output_summary":"ai_candidates=1 merged=1 calls=N7U","recording_id":121886,"started_at":"2026-06-24T19:17:36.793581+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":121885}