{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T02:29:09.889035+00:00","duration_seconds":1.797455,"id":1776601,"input_summary":"chars=806 node=683210","metadata":{"llm_candidates":[{"callsign":"K4C","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K4C","recording_id":170878,"started_at":"2026-07-17T02:29:08.091580+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":166584}