{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-24T13:33:51.927037+00:00","duration_seconds":2.002316,"id":2819991,"input_summary":"chars=306 node=683210","metadata":{"llm_candidates":[{"callsign":"W3U","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=W3U","recording_id":265285,"started_at":"2026-08-24T13:33:49.924721+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":251374}