{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T02:22:51.244473+00:00","duration_seconds":3.333209,"id":1452879,"input_summary":"chars=418 node=66296","metadata":{"llm_candidates":[{"callsign":"WY2K","confidence":0.78},{"callsign":"KN7Z","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=WY2K,KN7Z","recording_id":148953,"started_at":"2026-07-07T02:22:47.911264+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146906}