fix(showcase): harden middleware rewrite logic to fix 404 assets in smoke tests

apps/web/src/middleware.ts

@@ -15,19 +15,24 @@ export function middleware(request: NextRequest) {
   // - Global assets (/wp-content/*, /wp-includes/*, /assets/*)
   // - Showcase-specific resources (/case-studies/klz-cables/index.html, etc.)
   
+  // Normalize pathname to ensure we're matching correctly
+  const path = pathname;
+
   // Map Pattern 1: Global assets (directly under root)
-  if (pathname.match(/^\/(?:wp-content|wp-includes|assets)\//)) {
-    return NextResponse.rewrite(new URL(`/showcase/klz-cables.com${pathname}`, request.url));
+  // These are often mirrored by wget/discovery engines into a domain-named subfolder
+  if (path.startsWith('/wp-content/') || path.startsWith('/wp-includes/') || path.startsWith('/assets/')) {
+    // Brute force: Re-route to the known KLZ showcase directory
+    return NextResponse.rewrite(new URL(`/showcase/klz-cables.com${path}`, request.url));
   }
 
-  // Map Pattern 2: Showcase-prefixed assets
-  const showcaseMatch = pathname.match(/^\/(?:case-studies|work|blog)\/([^\/]+)\/(.*)/);
+  // Map Pattern 2: Showcase-prefixed assets (used for relative links within the showcase)
+  const showcaseMatch = path.match(/^\/(?:case-studies|work|blog)\/([^\/]+)\/(.*)/);
   if (showcaseMatch) {
     const [, slug, remainingPath] = showcaseMatch;
     
     // Safety: Only rewrite if it looks like a static asset (has extension) 
     // or belongs to known legacy folders. This prevents catching Next.js routes.
-    if (remainingPath.match(/\.(?:html|php|js|css|png|jpg|jpeg|svg|gif|woff2?|ttf|pdf|json|xml)$/) || 
+    if (remainingPath.match(/\.(?:html|php|js|css|png|jpg|jpeg|svg|gif|webp|woff2?|ttf|pdf|json|xml)$/) || 
         remainingPath.includes('wp-content/') || 
         remainingPath.includes('wp-includes/') || 
         remainingPath.includes('assets/')) {
@@ -35,7 +40,12 @@ export function middleware(request: NextRequest) {
       // Normalize slug: klz-cables -> klz-cables.com (literal folder name)
       const directory = slug === 'klz-cables' ? 'klz-cables.com' : slug;
       
-      return NextResponse.rewrite(new URL(`/showcase/${directory}/${remainingPath}`, request.url));
+      // If the remaining path already starts with assets/directory, don't double it
+      const targetPath = remainingPath.startsWith(`assets/${directory}/`) 
+        ? `/${remainingPath}` 
+        : `/${remainingPath}`;
+        
+      return NextResponse.rewrite(new URL(`/showcase/${directory}${targetPath}`, request.url));
     }
   }