refactor(guest): retire legacy guest app and move shared modules

resources/js/guest/main.tsx

@@ -1,61 +0,0 @@
-import React, { Suspense } from 'react';
-import { createRoot } from 'react-dom/client';
-import '../../css/app.css';
-import { enableGuestDemoMode, shouldEnableGuestDemoMode } from './demo/demoMode';
-import { Sentry, initSentry } from '@/lib/sentry';
-import { AppearanceProvider, initializeTheme } from '@/hooks/use-appearance';
-import { ConsentProvider } from '@/contexts/consent';
-
-const GuestFallback: React.FC<{ message: string }> = ({ message }) => (
-  <div className="flex min-h-screen items-center justify-center text-sm text-muted-foreground">
-    {message}
-  </div>
-);
-
-initSentry('guest');
-initializeTheme();
-if (shouldEnableGuestDemoMode()) {
-  enableGuestDemoMode();
-}
-const rootEl = document.getElementById('root')!;
-
-const appRoot = async () => {
-  const { RouterProvider } = await import('react-router-dom');
-  const { router } = await import('./router');
-  const { ToastProvider } = await import('./components/ToastHost');
-  const { default: PwaManager } = await import('./components/PwaManager');
-  const { LocaleProvider } = await import('./i18n/LocaleContext');
-  const { default: MatomoTracker } = await import('@/components/analytics/MatomoTracker');
-  const rawMatomo = (window as any).__MATOMO_GUEST__ as { enabled?: boolean; url?: string; siteId?: string } | undefined;
-  const matomoConfig = rawMatomo
-    ? {
-        enabled: Boolean(rawMatomo.enabled),
-        url: rawMatomo.url ?? '',
-        siteId: rawMatomo.siteId ?? '',
-      }
-    : undefined;
-
-  createRoot(rootEl).render(
-    <Sentry.ErrorBoundary fallback={<GuestFallback message="Erlebnisse können nicht geladen werden." />}>
-      <React.StrictMode>
-        <AppearanceProvider>
-          <ConsentProvider>
-            <LocaleProvider>
-              <ToastProvider>
-                <MatomoTracker config={matomoConfig} />
-                <PwaManager />
-                <Suspense fallback={<GuestFallback message="Erlebnisse werden geladen …" />}>
-                  <RouterProvider router={router} />
-                </Suspense>
-              </ToastProvider>
-            </LocaleProvider>
-          </ConsentProvider>
-        </AppearanceProvider>
-      </React.StrictMode>
-    </Sentry.ErrorBoundary>
-  );
-};
-
-appRoot().catch(() => {
-  createRoot(rootEl).render(<GuestFallback message="Erlebnisse können nicht geladen werden." />);
-});