Routen in eigene Datei ausgelagert

AppRoutes in src/routes.tsx, damit die Tests die echte Routenliste im
MemoryRouter rendern können. Keine Verhaltensänderung. setup.ts bekommt
Attrappen für IntersectionObserver und ResizeObserver (jsdom kennt sie nicht).

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/App.tsx

@@ -3,18 +3,10 @@ import { Toaster as Sonner } from "@/components/ui/sonner";
 import { TooltipProvider } from "@/components/ui/tooltip";
 import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
 import { useEffect } from "react";
-import { BrowserRouter, Routes, Route, useLocation } from "react-router-dom";
+import { BrowserRouter, useLocation } from "react-router-dom";
 import { ThemeProvider } from "@/components/ThemeProvider";
 import { AnalyticsProvider } from "@/components/AnalyticsProvider";
-import Index from "./pages/Index";
+import { AppRoutes } from "./routes";
-import ContactPage from "./pages/Contact";
-import AGBPage from "./pages/AGB";
-import ImpressumPage from "./pages/Impressum";
-import AboutPage from "./pages/About";
-import WartungsAboPage from "./pages/WartungsAbo";
-import HostingAboPage from "./pages/HostingAbo";
-import DatenschutzPage from "./pages/Datenschutz";
-import NotFound from "./pages/NotFound";
 
 const queryClient = new QueryClient();
 
@@ -36,18 +28,7 @@ const App = () => (
         <BrowserRouter future={{ v7_startTransition: true, v7_relativeSplatPath: true }}>
           <ScrollToTop />
           <AnalyticsProvider>
-          <Routes>
+          <AppRoutes />
-            <Route path="/" element={<Index />} />
-            <Route path="/kontakt" element={<ContactPage />} />
-            <Route path="/agb" element={<AGBPage />} />
-            <Route path="/impressum" element={<ImpressumPage />} />
-            <Route path="/ueber-uns" element={<AboutPage />} />
-            <Route path="/wartungs-abo" element={<WartungsAboPage />} />
-            <Route path="/hosting-abo" element={<HostingAboPage />} />
-            <Route path="/datenschutz" element={<DatenschutzPage />} />
-            {/* ADD ALL CUSTOM ROUTES ABOVE THE CATCH-ALL "*" ROUTE */}
-            <Route path="*" element={<NotFound />} />
-          </Routes>
           </AnalyticsProvider>
         </BrowserRouter>
       </TooltipProvider>

src/routes.tsx

@@ -0,0 +1,26 @@
+import { Routes, Route } from "react-router-dom";
+import Index from "./pages/Index";
+import ContactPage from "./pages/Contact";
+import AGBPage from "./pages/AGB";
+import ImpressumPage from "./pages/Impressum";
+import AboutPage from "./pages/About";
+import WartungsAboPage from "./pages/WartungsAbo";
+import HostingAboPage from "./pages/HostingAbo";
+import DatenschutzPage from "./pages/Datenschutz";
+import NotFound from "./pages/NotFound";
+
+/** Alle Seiten der Website; App.tsx rendert sie im BrowserRouter, die Tests im MemoryRouter. */
+export const AppRoutes = () => (
+  <Routes>
+    <Route path="/" element={<Index />} />
+    <Route path="/kontakt" element={<ContactPage />} />
+    <Route path="/agb" element={<AGBPage />} />
+    <Route path="/impressum" element={<ImpressumPage />} />
+    <Route path="/ueber-uns" element={<AboutPage />} />
+    <Route path="/wartungs-abo" element={<WartungsAboPage />} />
+    <Route path="/hosting-abo" element={<HostingAboPage />} />
+    <Route path="/datenschutz" element={<DatenschutzPage />} />
+    {/* ADD ALL CUSTOM ROUTES ABOVE THE CATCH-ALL "*" ROUTE */}
+    <Route path="*" element={<NotFound />} />
+  </Routes>
+);

src/test/setup.ts

@@ -13,3 +13,18 @@ Object.defineProperty(window, "matchMedia", {
     dispatchEvent: () => {},
   }),
 });
+
+// jsdom kennt diese Browser-APIs nicht; Komponenten wie BorderGlow brauchen sie.
+class BeobachterAttrappe {
+  observe() {}
+  unobserve() {}
+  disconnect() {}
+  takeRecords() {
+    return [];
+  }
+}
+for (const name of ["IntersectionObserver", "ResizeObserver"]) {
+  if (!(name in window)) {
+    Object.defineProperty(window, name, { writable: true, configurable: true, value: BeobachterAttrappe });
+  }
+}