style: enhance global CSS for better responsiveness of terminal chips and navigation pills
test: remove inline subscription test and add maintenance mode access code test
feat: implement media library picker dialog for selecting images from the media library
feat: add media URL controls for uploading and managing media assets
feat: add migration for music_enabled and maintenance_mode settings in site settings
feat: implement maintenance mode functionality with access control
feat: create maintenance page with access code input and error handling
chore: add TypeScript declaration for QR code module
- Implemented SharePanel component in `SharePanel.astro` for sharing content on social media platforms.
- Integrated QR code generation for WeChat sharing using the `qrcode` library.
- Added localization support for English and Chinese languages.
- Created utility functions in `seo.ts` for building article summaries and FAQs.
- Introduced API routes for serving IndexNow key and generating full LLM catalog and summaries.
- Enhanced SEO capabilities with structured data for articles and pages.
