{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-03T13:02:53.715015+00:00","duration_seconds":1.945308,"id":2347865,"input_summary":"chars=457 node=683210","metadata":{"llm_candidates":[{"callsign":"KA4JAZ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KA4JAZ","recording_id":214026,"started_at":"2026-08-03T13:02:51.769707+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":205246}