{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T21:18:34.665885+00:00","duration_seconds":1.961229,"id":551842,"input_summary":"chars=1751 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KN4LBF","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=2 calls=KN4LBF","recording_id":78868,"started_at":"2026-06-26T21:18:32.704656+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":78869}