{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T03:24:15.366381+00:00","duration_seconds":2.209196,"id":447493,"input_summary":"chars=1416 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KB9ZZD","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=2 calls=KB9ZZD","recording_id":96702,"started_at":"2026-06-26T03:24:13.157185+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":96703}