Fix: Correct relative asset routing for case studies in middleware

apps/web/src/middleware.ts

@@ -21,7 +21,7 @@ export function middleware(request: NextRequest) {
   // 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;
+    let [, 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.
@@ -30,13 +30,23 @@ export function middleware(request: NextRequest) {
         remainingPath.includes('wp-includes/') || 
         remainingPath.includes('assets/')) {
       
+      // If the URL resolved to /case-studies/assets/..., 'assets' is captured as the slug
+      if (slug === 'assets') {
+        const nextSlash = remainingPath.indexOf('/');
+        if (nextSlash !== -1) {
+          const actualDir = remainingPath.substring(0, nextSlash);
+          slug = actualDir === 'klz-cables.com' ? 'klz-cables' : actualDir; // Normalize back to expected slug
+          remainingPath = remainingPath.substring(nextSlash + 1);
+        }
+      }
+
       // Normalize slug: klz-cables -> klz-cables.com (literal folder name)
       const directory = slug === 'klz-cables' ? 'klz-cables.com' : slug;
       
       // If the remaining path already starts with assets/directory, don't double it
       const targetPath = remainingPath.startsWith(`assets/${directory}/`) 
         ? `/${remainingPath}` 
-        : `/${remainingPath}`;
+        : `/assets/${directory}/${remainingPath}`;
         
       return NextResponse.rewrite(new URL(`/showcase/${directory}${targetPath}`, request.url));
     }