{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T20:41:25.606527+00:00","duration_seconds":2.563426,"id":1447505,"input_summary":"chars=549 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K7CCB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K7CCB","recording_id":148559,"started_at":"2026-07-06T20:41:23.043101+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146607}