{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T02:31:06.753085+00:00","duration_seconds":0.930829,"id":297816,"input_summary":"chars=616 node=683211","metadata":{"llm_candidates":[{"callsign":"KC5WFH","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=1 calls=KC5WFH","recording_id":4687,"started_at":"2026-06-25T02:31:05.822256+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":4684}