{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T19:12:21.235330+00:00","duration_seconds":2.030931,"id":1050821,"input_summary":"chars=2071 node=oldsys","metadata":{"llm_candidates":[{"callsign":"WQ7H","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=WQ7H","recording_id":20350,"started_at":"2026-06-28T19:12:19.204399+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":20351}