{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-22T15:45:03.918283+00:00","duration_seconds":2.666036,"id":2777471,"input_summary":"chars=654 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KZ5WPH","confidence":0.78},{"callsign":"KK7LA","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KZ5WPH,KK7LA","recording_id":260727,"started_at":"2026-08-22T15:45:01.252247+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":247146}