{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T15:07:41.670033+00:00","duration_seconds":18.430232,"id":1661255,"input_summary":"chars=828 node=683211","metadata":{"llm_candidates":[{"callsign":"KT7J","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KT7J","recording_id":163223,"started_at":"2026-07-13T15:07:23.239801+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159927}