{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T19:38:06.432242+00:00","duration_seconds":1.730962,"id":1444533,"input_summary":"chars=927 node=683211","metadata":{"llm_candidates":[{"callsign":"KI7ZEI","confidence":0.78},{"callsign":"WA7CD","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KI7ZEI,WA7CD","recording_id":148341,"started_at":"2026-07-06T19:38:04.701280+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146394}