{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T19:39:51.679168+00:00","duration_seconds":3.689282,"id":1805053,"input_summary":"chars=634 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7NYW","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NYW","recording_id":172842,"started_at":"2026-07-17T19:39:47.989886+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":168361}