<SRS> SRS01 : Authentication </SRS>
<Changes>
- Fixed polymorphism errors in Employee base class by adding virtual destructor.
- Corrected constructor mismatch in GeneralEmployee to properly call Employee constructor with EmployeeType.
- Created UserInterface object in main() and invoked run() to start role-based menus.
</Changes>
<Review>
Smitha Mohan
</Review>