{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T13:55:17.632446+00:00","duration_seconds":2.232103,"id":1743142,"input_summary":"chars=830 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KF7ADV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KF7ADV","recording_id":168510,"started_at":"2026-07-16T13:55:15.400343+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":164469}