{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-07T14:25:46.178515+00:00","duration_seconds":2.042408,"id":2438086,"input_summary":"chars=773 node=683210","metadata":{"llm_candidates":[{"callsign":"KF4OH","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KF4OH","recording_id":223938,"started_at":"2026-08-07T14:25:44.136107+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":214004}