{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T04:50:52.879584+00:00","duration_seconds":1.373527,"id":1590936,"input_summary":"chars=879 node=66296","metadata":{"llm_candidates":[{"callsign":"KI7ZUI","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KI7ZUI","recording_id":158438,"started_at":"2026-07-11T04:50:51.506057+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":155537}