**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/src/lib/stores/index.ts

@@ -0,0 +1,4 @@
+// Zustand stores
+// Examples: authStore, uiStore, etc.
+
+export { useAuthStore, initializeAuth, type User } from './authStore';