app/fastify-entry.ts

@@ -18,13 +18,13 @@ const root = __dirname;
 declare global {
   namespace Vike {
     interface PageContext {
-      cookies: Partial<{
+      cookies: {
         consent: {
           analytics: boolean;
           customization: boolean;
         };
         theme: Theme;
-      }>;
+      };
     }
   }
 }

app/pages/+config.ts

@@ -25,7 +25,7 @@ export default {
 
   image: "/og.webp",
 
-  // prerender: true,
+  passToClient: ["cookies"],
   prefetchStaticAssets: "hover",
 
   extends: vikeReact,