- Add TOTP implementation and two-factor data-access for 2FA enrollment
- Add security center card with password policy and session management
- Add avatar upload action and component
- Add system settings actions and data-access (actions-system-settings, data-access-system-settings)
- Add notification preferences and service actions
- Add security-utils and student-overview-data with tests
- Update existing settings views, data-access, and types for new features
