{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T10:15:16.778896+00:00","duration_seconds":1.452383,"id":1733080,"input_summary":"chars=545 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KT7WT","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KT7WT","recording_id":167804,"started_at":"2026-07-16T10:15:15.326513+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":163779}