{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T19:03:18.099573+00:00","duration_seconds":6.411827,"id":1476157,"input_summary":"chars=458 node=683210","metadata":{"llm_candidates":[{"callsign":"WN4V","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=WN4V","recording_id":150610,"started_at":"2026-07-07T19:03:11.687746+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":148385}