{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T04:32:27.820185+00:00","duration_seconds":0.939406,"id":1780748,"input_summary":"chars=148 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KX2CHW","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=KX2CHW","recording_id":171156,"started_at":"2026-07-17T04:32:26.880779+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":166826}