{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-28T02:50:37.001789+00:00","duration_seconds":1.819091,"id":2908982,"input_summary":"chars=242 node=683211","metadata":{"llm_candidates":[{"callsign":"NY4NC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=NY4NC","recording_id":274738,"started_at":"2026-08-28T02:50:35.182698+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":259838}