{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T17:45:04.379726+00:00","duration_seconds":0.58106,"id":1039848,"input_summary":"chars=366 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KC2STO","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KC2STO","recording_id":27316,"started_at":"2026-06-28T17:45:03.798666+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":27317}