{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-05T14:30:15.111750+00:00","duration_seconds":2.179014,"id":2397450,"input_summary":"chars=649 node=683210","metadata":{"llm_candidates":[{"callsign":"K4JZ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K4JZ","recording_id":219445,"started_at":"2026-08-05T14:30:12.932736+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":210072}