{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T06:53:24.431052+00:00","duration_seconds":0.504681,"id":937218,"input_summary":"chars=1180 node=oldsys","metadata":{"llm_candidates":[{"callsign":"N0BF","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=N0BF","recording_id":38399,"started_at":"2026-06-28T06:53:23.926371+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":38400}