{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T12:43:06.263856+00:00","duration_seconds":2.272521,"id":995765,"input_summary":"chars=1138 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K7ADV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K7ADV","recording_id":25970,"started_at":"2026-06-28T12:43:03.991335+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":25971}