🔐 Security
- Settings management (categories, tags, materials) now requires administrator privileges
- File uploads, model edits, and print logging require authentication
✨ Improvements
- Changelog now renders formatted Markdown instead of raw text
- Improved mobile landscape layout for the About page
- Clearer error messages on failed login attempts
- Added "Initial Setup" guide to README
🐛 Fixes
- Fixed "Cannot read properties of null" error on fresh installs
- Renamed internal database for consistency