fix: comprehensive asset rewrites to resolve 404s in klz showcase

apps/web/next.config.mjs

@@ -40,6 +40,7 @@ const nextConfig = {
   async rewrites() {
     return {
       beforeFiles: [
+        // Assets requested from root
         {
           source: '/assets/:path*',
           destination: '/showcase/klz-cables.com/assets/:path*',
@@ -52,6 +53,19 @@ const nextConfig = {
           source: '/wp-includes/:path*',
           destination: '/showcase/klz-cables.com/assets/klz-cables.com/wp-includes/:path*',
         },
+        // Assets requested relatively from case-studies/work/blog subpages
+        {
+          source: '/:folder(case-studies|work|blog)/assets/:path*',
+          destination: '/showcase/klz-cables.com/assets/:path*',
+        },
+        {
+          source: '/:folder(case-studies|work|blog)/wp-content/:path*',
+          destination: '/showcase/klz-cables.com/assets/klz-cables.com/wp-content/:path*',
+        },
+        {
+          source: '/:folder(case-studies|work|blog)/wp-includes/:path*',
+          destination: '/showcase/klz-cables.com/assets/klz-cables.com/wp-includes/:path*',
+        },
       ],
     };
   },