{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T14:23:22.576598+00:00","duration_seconds":2.731993,"id":1744416,"input_summary":"chars=427 node=683210","metadata":{"llm_candidates":[{"callsign":"K8B","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K8B","recording_id":168604,"started_at":"2026-07-16T14:23:19.844605+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":164559}