- Implemented ThemeToggle component for switching between light, dark, and system themes.
- Created themeStore for managing theme state and persisting user preferences in localStorage.
- Added utility functions for error message sanitization to prevent sensitive data leakage.
- Developed proxy utility functions for API requests, including template variable replacement.
- Enhanced layout with dark mode styles and smooth transitions for theme changes.
- Updated main layout and page components to integrate theme toggle and improve accessibility.
- Added server-side proxy handling with validation and error sanitization for API requests.
