{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T20:15:38.281857+00:00","duration_seconds":0.989789,"id":402620,"input_summary":"chars=154 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":94311,"started_at":"2026-06-25T20:15:37.292068+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":94312}