{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T17:39:51.232978+00:00","duration_seconds":0.49245,"id":1606234,"input_summary":"chars=222 node=683211","metadata":{"llm_candidates":[{"callsign":"KZ7WOI","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KZ7WOI","recording_id":159587,"started_at":"2026-07-11T17:39:50.740528+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":156534}