{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-25T13:33:06.704151+00:00","duration_seconds":2.314275,"id":2845782,"input_summary":"chars=606 node=683210","metadata":{"llm_candidates":[{"callsign":"WB1DXN","confidence":0.78},{"callsign":"N2DGT","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=WB1DXN,N2DGT","recording_id":267978,"started_at":"2026-08-25T13:33:04.389876+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":253770}