{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T07:51:36.671101+00:00","duration_seconds":1.314818,"id":946315,"input_summary":"chars=1158 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KN4CWC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KN4CWC","recording_id":31618,"started_at":"2026-06-28T07:51:35.356283+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":31619}