{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T22:07:49.855523+00:00","duration_seconds":2.289165,"id":1678774,"input_summary":"chars=759 node=683210","metadata":{"llm_candidates":[{"callsign":"WU7N","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=WU7N","recording_id":164408,"started_at":"2026-07-13T22:07:47.566358+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":161023}