NextAuth v5 req.auth Undefined with wrangler pages dev on Cloudflare Pages, Works with npm run dev

import { auth } from "@/auth";

export default auth((req) => {
  console.log("req.auth.user:", req.auth?.user);
  console.log("AUTH_SECRET:", process.env.AUTH_SECRET);

  if (!req.auth && req.nextUrl.pathname !== "/login") {
    return Response.redirect(new URL("/login", req.nextUrl));
  }
});

export const config = {
  matcher: ["/((?!api|_next/static|_next/image|favicon.ico).*)"],
};

export const auth = NextAuth({
  providers: [/*...*/],
  secret: process.env.AUTH_SECRET,
  session: { strategy: 'jwt' },
  callbacks: {
    async authorized({ auth, request }) {
      console.log("auth.user:", auth?.user);
      console.log("AUTH_SECRET:", process.env.AUTH_SECRET);
      return !!auth?.user;
    },
  },
  experimental: {
    runtime: 'edge',
  },
});