{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T14:40:28.989552+00:00","duration_seconds":0.466457,"id":1013905,"input_summary":"chars=38 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KV8BMY","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KV8BMY","recording_id":29884,"started_at":"2026-06-28T14:40:28.523095+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":29885}