{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T14:49:48.489312+00:00","duration_seconds":0.592888,"id":1598421,"input_summary":"chars=347 node=683211","metadata":{"llm_candidates":[{"callsign":"VA3KKY","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=VA3KKY","recording_id":158974,"started_at":"2026-07-11T14:49:47.896424+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":156000}