{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T13:27:02.502937+00:00","duration_seconds":2.302391,"id":1528902,"input_summary":"chars=556 node=683210","metadata":{"llm_candidates":[{"callsign":"KA4JAZ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KA4JAZ","recording_id":154236,"started_at":"2026-07-09T13:27:00.200546+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":151656}