Add i18n to home sections, improve consent management and middleware asset handling

Co-authored-by: dennis <dennis@konkol.net>

middleware.ts

@@ -20,6 +20,23 @@ function hasLocalePrefix(pathname: string): boolean {
 export function middleware(request: NextRequest) {
   const { pathname, search } = request.nextUrl;
 
+  // If a locale-prefixed request hits a public asset path (e.g. /de/images/me.jpg),
+  // redirect to the non-prefixed asset path.
+  if (hasLocalePrefix(pathname)) {
+    const rest = pathname.replace(/^\/(en|de)/, "") || "/";
+    if (rest.includes(".")) {
+      const responseUrl = request.nextUrl.clone();
+      responseUrl.pathname = rest;
+      const res = NextResponse.redirect(responseUrl);
+      return addHeaders(request, res);
+    }
+  }
+
+  // Do not locale-route public assets (anything with a dot), robots, sitemap, etc.
+  if (pathname.includes(".")) {
+    return addHeaders(request, NextResponse.next());
+  }
+
   // Keep admin + APIs unlocalized for simplicity
   const isAdminOrApi =
     pathname.startsWith("/api/") ||
@@ -107,8 +124,7 @@ export const config = {
      * - _next/static (static files)
      * - _next/image (image optimization files)
      * - favicon.ico (favicon file)
-     * - any path containing a dot (public assets like /images/*.jpg, /robots.txt, /sitemap.xml, etc.)
      */
-    "/((?!api|_next/static|_next/image|favicon.ico|.*\\..*).*)",
+    "/((?!api|_next/static|_next/image|favicon.ico).*)",
   ],
 };