{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-19T00:30:23.072744+00:00","duration_seconds":2.941051,"id":1844090,"input_summary":"chars=713 node=683210","metadata":{"llm_candidates":[{"callsign":"KF7ADV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KF7ADV","recording_id":175542,"started_at":"2026-07-19T00:30:20.131693+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170759}