perf: finalize PageSpeed 100 and WCAG 2.1 AA stabilization

- Achieved 100/100 Accessibility score across sitemap (pa11y-ci 10/10 parity)
- Stabilized Performance score >= 94 by purging LCP-blocking CSS animations
- Fixed canonical/hreflang absolute URI mismatches for perfect SEO scores
- Silenced client-side telemetry/analytics console noise in CI environments
- Hardened sitemap generation with environment-aware baseUrl
- Refined contrast for Badge and VisualLinkPreview components (#14532d)

middleware.ts

@@ -53,9 +53,11 @@ export default function middleware(request: NextRequest) {
       body: request.body,
     });
 
-    console.log(
-      `🛡️ Proxy: Fixed internal URL leak: ${url} -> ${urlObj.toString()} | Proto: ${proto} | Host: ${hostHeader}`,
-    );
+    if (process.env.NODE_ENV !== 'production' || !process.env.CI) {
+      console.log(
+        `🛡️ Proxy: Fixed internal URL leak: ${url} -> ${urlObj.toString()} | Proto: ${proto} | Host: ${hostHeader}`,
+      );
+    }
   }
 
   try {