{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T20:22:55.616845+00:00","duration_seconds":2.031231,"id":1576994,"input_summary":"chars=847 node=683211","metadata":{"llm_candidates":[{"callsign":"KN4EWT","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KN4EWT","recording_id":157529,"started_at":"2026-07-10T20:22:53.585614+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":154670}