{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T14:54:02.603227+00:00","duration_seconds":5.286728,"id":1621857,"input_summary":"chars=658 node=683210","metadata":{"llm_candidates":[{"callsign":"KD3AJ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KD3AJ","recording_id":160568,"started_at":"2026-07-12T14:53:57.316499+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157419}