{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T19:39:37.629769+00:00","duration_seconds":7.923705,"id":1444648,"input_summary":"chars=660 node=683211","metadata":{"llm_candidates":[{"callsign":"KI7R","confidence":0.78},{"callsign":"KG7L","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KI7R,KG7L","recording_id":148349,"started_at":"2026-07-06T19:39:29.706064+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146402}