Remove unused Vue, Echo, Pusher, and ioredis npm dependencies from the frontend build. Update realtime scripts and deployment log markup to work without bundling those assets through Vite.
- Added DOMPurify library to sanitize HTML content in toast notifications and other components to prevent XSS vulnerabilities.
- Updated relevant components to use the new `sanitizeHTML` function for safe rendering of HTML content.
- Ensured that only allowed tags and attributes are permitted in sanitized output.
