{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T12:13:29.446406+00:00","duration_seconds":0.445171,"id":990741,"input_summary":"chars=194 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K4HM","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K4HM","recording_id":32480,"started_at":"2026-06-28T12:13:29.001235+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":32481}