upgrade to tamagui v2 and guest pwa overhaul

resources/js/guest-v2/__tests__/SlideshowScreen.test.tsx

@@ -0,0 +1,31 @@
+import React from 'react';
+import { describe, expect, it, vi } from 'vitest';
+import { render, screen } from '@testing-library/react';
+import { EventDataProvider } from '../context/EventDataContext';
+
+vi.mock('framer-motion', () => ({
+  AnimatePresence: ({ children }: { children: React.ReactNode }) => <div>{children}</div>,
+  motion: { div: ({ children }: { children: React.ReactNode }) => <div>{children}</div> },
+}));
+
+vi.mock('../services/photosApi', () => ({
+  fetchGallery: () => Promise.resolve({ data: [] }),
+}));
+
+vi.mock('@/guest/i18n/useTranslation', () => ({
+  useTranslation: () => ({ t: (_key: string, fallback?: string) => fallback ?? _key, locale: 'de' }),
+}));
+
+import SlideshowScreen from '../screens/SlideshowScreen';
+
+describe('SlideshowScreen', () => {
+  it('shows empty state when no photos', async () => {
+    render(
+      <EventDataProvider token="token">
+        <SlideshowScreen />
+      </EventDataProvider>
+    );
+
+    expect(await screen.findByText('Noch keine Fotos')).toBeInTheDocument();
+  });
+});