refactor: Make Aspirant the official theme - remove toggle, lock to aspirant

frontend/src/components/Layout.tsx

@@ -14,7 +14,7 @@ import { Breadcrumbs } from './ui/Breadcrumbs';
 import { pageVariants } from '../lib/animations';
 import { Search, Bell, Settings, Filter, ChevronDown } from 'lucide-react';
 import ThemeToggle from './ThemeToggle';
-import DesignSwitch from './DesignSwitch';
+
 import { UserMenu } from './layout/UserMenu';
 import { NotificationBell } from './notifications/NotificationBell';
 
@@ -95,7 +95,6 @@ export default function Layout() {
                             </div>
                         </div>
 
-                        <DesignSwitch />
                         <ThemeToggle />
                         <NotificationBell />
                         <button className="lg:hidden p-2 text-[var(--color-text-tertiary)]" onClick={() => setMobileSheetOpen(true)}>

frontend/src/context/ThemeContext.tsx

@@ -10,9 +10,9 @@ interface ThemeContextType {
 const ThemeContext = createContext<ThemeContextType | undefined>(undefined);
 
 export function ThemeProvider({ children }: { children: React.ReactNode }) {
-    const [theme, setTheme] = useState<Theme>(() => {
+    // Aspirant is now the official theme - no switching available
-        return (localStorage.getItem('veridian-theme') as Theme) || 'default';
+    const [theme] = useState<Theme>('aspirant');
-    });
+    const setTheme = (_theme: Theme) => { }; // No-op, theme is locked
 
     useEffect(() => {
         localStorage.setItem('veridian-theme', theme);