- Create HtmlLang client component that updates document.documentElement.lang
- Add HtmlLang component to layout.tsx to sync HTML lang attribute with locale
- HTML lang now updates automatically when user changes language
- Install next-intl package
- Create LanguageProvider hook with localStorage persistence
- Create IntlProvider component for next-intl integration
- Create Providers wrapper component
- Update layout.tsx to include providers and set default lang to 'es'
- Create initial translation files (common.json) for es, en, ca
- Fix pre-existing TypeScript errors in various pages
All tests passing, build successful.
