{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T18:55:37.550503+00:00","duration_seconds":6.364324,"id":1837273,"input_summary":"chars=39 node=66296","metadata":{"llm_candidates":[{"callsign":"N7B","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=N7B","recording_id":175057,"started_at":"2026-07-18T18:55:31.186179+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170357}