- Replace $env.$vbase with $mod.$vbase in callback.html OAuth handlers
- Update login.html to use $mod.$vbase for login/register API calls
- Update profile.html to use $mod.$vbase for user data and logout
- Fix OAuth providers page to reference $mod.$vbase correctly
- Add new OAuth callback page with loading states and error handling
- Create reusable icon component (ico.html) for SVG icons
- Remove deprecated public.html layout, merge into default
- Update login page with improved third-party auth integration
- Add i18n translations for OAuth-related messages
- Update routes to include callback page and handle auth redirects
- Enhance vbase.js with OAuth utilities and token management