{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T02:29:38.653897+00:00","duration_seconds":1.726733,"id":1776674,"input_summary":"chars=595 node=683210","metadata":{"llm_candidates":[{"callsign":"KJ4QNP","confidence":0.78},{"callsign":"KJ7QNP","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KJ4QNP,KJ7QNP","recording_id":170886,"started_at":"2026-07-17T02:29:36.927164+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":166592}