A 58-year-old man with type 2 diabetes mellitus is scheduled for emergency appendicectomy at 14:00 hours. He had a full breakfast (eggs, bread, butter, milk) at 08:00 AM and a cup of tea at 12:30 PM. He is on metformin and glibenclamide. On pre-anesthetic evaluation, his blood glucose is 240 mg/dL, BP 135/88 mmHg, HR 96/min. He is anxious about aspiration. What is the most appropriate fasting and anesthetic management strategy?