Remix build error (backend package)

[mme]

Describe the bug
There is a build error with the backend package when performing a remix production build.

✓ 1136 modules transformed.
x Build failed in 669ms
Error [RollupError]: app/routes/copilotkit.tsx (1:9): "CopilotRuntime" is not exported by "../../../Users/mme/Code/CopilotKit/CopilotKit/packages/backend/dist/index.js", imported by "app/routes/copilotkit.tsx".
file: /private/tmp/test-remix-app/app/routes/copilotkit.tsx:1:9
1: import { CopilotRuntime, OpenAIAdapter } from "@copilotkit/backend";
            ^
2: import type { ActionFunctionArgs } from "@remix-run/node";
    at getRollupError (file:///private/tmp/test-remix-app/node_modules/rollup/dist/es/shared/parseAst.js:394:41)
    at error (file:///private/tmp/test-remix-app/node_modules/rollup/dist/es/shared/parseAst.js:390:42)
    at Module.error (file:///private/tmp/test-remix-app/node_modules/rollup/dist/es/shared/node-entry.js:13855:16)
    at Module.traceVariable (file:///private/tmp/test-remix-app/node_modules/rollup/dist/es/shared/node-entry.js:14303:29)
    at ModuleScope.findVariable (file:///private/tmp/test-remix-app/node_modules/rollup/dist/es/shared/node-entry.js:11984:39)
    at FunctionScope.findVariable (file:///private/tmp/test-remix-app/node_modules/rollup/dist/es/shared/node-entry.js:7432:38)
    at FunctionBodyScope.findVariable (file:///private/tmp/test-remix-app/node_modules/rollup/dist/es/shared/node-entry.js:7432:38)
    at Identifier.bind (file:///private/tmp/test-remix-app/node_modules/rollup/dist/es/shared/node-entry.js:6908:40)
    at NewExpression.bind (file:///private/tmp/test-remix-app/node_modules/rollup/dist/es/shared/node-entry.js:4775:23)
    at VariableDeclarator.bind (file:///private/tmp/test-remix-app/node_modules/rollup/dist/es/shared/node-entry.js:4775:23) {
  binding: 'CopilotRuntime',
  code: 'MISSING_EXPORT',
  exporter: '/Users/mme/Code/CopilotKit/CopilotKit/packages/backend/dist/index.js',
  id: '/private/tmp/test-remix-app/app/routes/copilotkit.tsx',
  url: 'https://rollupjs.org/troubleshooting/#error-name-is-not-exported-by-module',
  pos: 9,
  loc: {
    column: 9,
    file: '/private/tmp/test-remix-app/app/routes/copilotkit.tsx',
    line: 1
  },
  frame: '1: import { CopilotRuntime, OpenAIAdapter } from "@copilotkit/backend";\n' +
    '            ^\n' +
    '2: import type { ActionFunctionArgs } from "@remix-run/node";',

To Reproduce
Steps to reproduce the behavior:

1. Create a minimal remix project with an action route that uses CopilotRuntime to serve the request
2. npm run build

Expected behavior
Builds without error