{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T13:41:56.499183+00:00","duration_seconds":0.434674,"id":1004645,"input_summary":"chars=24 node=oldsys","metadata":{"llm_candidates":[{"callsign":"A6MB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=A6MB","recording_id":25054,"started_at":"2026-06-28T13:41:56.064509+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":25055}