"use server" working locally but not when deployed

import { createAsync } from "@solidjs/router";
import { getAuth } from '~/lib/server/auth'


export default function Register() {
  const auth = createAsync(() => getAuth(), { deferStream: true })

  return (
    <p>Signed in as {auth()?.user.email}</p>
  )
}

import { cache } from "@solidjs/router";

export const getAuth = cache(async () => {
  "use server"

  console.log("getAuth")
  return {
    user: {
      email: '[email protected]',
    }
  }
}, 'getAuth')

  server: {
    preset: 'cloudflare-pages',
    unenv: cloudflare,

    rollupConfig: {
      external: ['__STATIC_CONTENT_MANIFEST', 'node:async_hooks'],
    },
  },
  middleware: './src/middleware.ts',
  ssr: false,