- Task 19: TypeScript types for all API entities, axios client with JWT
refresh interceptor, auth service, AuthContext provider, ProtectedRoute
- Task 20: Login page with MFA support, Register page with invitation
token support, German labels, zod validation
- Task 21: Responsive sidebar with role-aware navigation, header with
user dropdown, AppLayout with Sheet for mobile, full React Router setup
with placeholder pages for all routes
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
