{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-10T05:41:56.929539+00:00","duration_seconds":2.131295,"id":2498550,"input_summary":"chars=741 node=683211","metadata":{"llm_candidates":[{"callsign":"KK6ULC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KK6ULC","recording_id":230461,"started_at":"2026-08-10T05:41:54.798244+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":219955}