{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-04T21:01:03.014448+00:00","duration_seconds":0.546784,"id":1378791,"input_summary":"chars=504 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7LXP","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=KK7LXP","recording_id":143901,"started_at":"2026-07-04T21:01:02.467664+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":142287}