ZKTeco's Time Attendance Management System, commonly referred to in models like the ZKTime 5.0, ZKTime 50, etc., are widely used for tracking employee attendance, access control, and more. Developing a helpful feature for such a system, particularly for version 4.8.7 or similar, requires understanding the existing functionalities and user needs. Let's propose a feature that enhances the usability and functionality of these systems. Feature Name: SmartLeave