i18n config in pages router does not set cache headers for HTML pages

[ilkergzlkkr]

Next.js version : 15.0.1
OpenNext v3.2.2

configuring i18n in pages router adds locale prefix to routes which fails workaround fixCacheHeaderForHtmlPages in

opennextjs-aws/packages/open-next/src/core/routing/util.ts

Line 213 in 697681b

if (HtmlPages.includes(rawPath)) {

const nextConfig: NextConfig = {
  i18n: {
    locales: ["en"],
    defaultLocale: "en",
  },
};

with new .next/server/pages-manifest.json

{
  "/_app": "pages/_app.js",
  "/api/trpc/[trpc]": "pages/api/trpc/[trpc].js",
  "/_error": "pages/_error.js",
  "/_document": "pages/_document.js",
  "/en/404": "pages/en/404.html",
  "/en/500": "pages/en/500.html",
  "/en": "pages/en.html"
}

Build Output is the same