- compose app, UI, and independently imported block catalogs from JSON configuration\n- persist the selected locale on the server and activate it without hydration flicker\n- add a flag-based language switcher and localized navigation descriptors\n- mount the redesigned i18n devtool only in development\n- regenerate English and Simplified Chinese catalogs and add switcher coverage
- replace the legacy client-only Vite bootstrap with TanStack Router routes, Start SSR, and Nitro output
- compose the reusable layout, navigation, appearance, chats, and notifications blocks with application-owned data
- persist UI preferences through server functions and initialize theme, sidebar, and breakpoint state before hydration
- add React Query, hotkey, toaster, and responsive dashboard integration
- add application-owned Lingui configuration and catalogs, mount the runtime provider, and lazily enable I18nDevtool in development
- remove superseded HTML, main entry, theme provider, and application ESLint configuration
Maofeng