Refresh UI components and showcase; release updated framework packages

packages/core/src/context.ts

@@ -120,6 +120,9 @@ export function createContext<Params extends Record<string, string> = Record<str
   req: Request,
   url: URL,
 ): Context<Params> {
+  // The caller supplies the validated public URL (including trusted proxies).
+  // Request-based handlers must see the same origin as ctx.url.
+  if (req.url !== url.href) req = new Request(url, req);
   const cookies = createCookieStore(req);
   return {
     req,