{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T11:44:48.475605+00:00","duration_seconds":2.318011,"id":1524967,"input_summary":"chars=729 node=683210","metadata":{"llm_candidates":[{"callsign":"KB2YUI","confidence":0.78},{"callsign":"KB2UDB","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KB2YUI,KB2UDB","recording_id":153959,"started_at":"2026-07-09T11:44:46.157594+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":151387}