SEO: robots on apex hostname, do not block JS or static assets needed for rendering

src/app/robots.ts

@@ -1,14 +1,20 @@
 import { MetadataRoute } from "next";
 
+const SITE_URL = "https://wilddragon.net";
+
 export default function robots(): MetadataRoute.Robots {
   return {
     rules: [
       {
         userAgent: "*",
         allow: "/",
+        // Block any internal Next.js bookkeeping that shouldn't be indexed.
+        // Do NOT block /_next/static or /_next/image — Googlebot needs them
+        // to render the page when verifying mobile usability and Core Web Vitals.
+        disallow: ["/api/"],
       },
     ],
-    sitemap: "https://www.wilddragon.net/sitemap.xml",
-    host: "https://www.wilddragon.net",
+    sitemap: `${SITE_URL}/sitemap.xml`,
+    host: SITE_URL,
   };
 }