**Authentication Refactor:** Remove authStore and its associated tests, transitioning to the new authentication model. Add dynamic loading for PasswordResetConfirmForm to optimize performance. Include a theme initialization script in layout.tsx to prevent FOUC.

frontend/tests/lib/api/hooks/useAuth.test.tsx

@@ -25,7 +25,7 @@ let mockAuthState: {
   refreshToken: null,
 };
 
-jest.mock('@/stores/authStore', () => ({
+jest.mock('@/lib/stores/authStore', () => ({
   useAuthStore: (selector?: (state: any) => any) => {
     if (selector) {
       return selector(mockAuthState);