I want to run a demo.

• Go to the ag-ui/typescript-sdk/apps/dojo directory and follow the readme document.
• Execute pnpm install and pnpm run dev.
• Browser Access http://localhost:3000 .
• Then an exception occurred.
  • Console exception:

     ⚠ Fast Refresh had to perform a full reload. Read more: https://nextjs.org/docs/messages/fast-refresh-reload
     GET /server-starter/feature/agentic_chat 500 in 24ms
     GET /server-starter/feature/agentic_chat 200 in 12ms
     GET /server-starter/feature/agentic_chat 500 in 24ms
     ⨯ ./src/agents.ts:2:1
    Module not found: Can't resolve '@ag-ui/middleware-starter'
      1 | import { AgentIntegrationConfig } from "./types/integration";
    > 2 | import { MiddlewareStarterAgent } from "@ag-ui/middleware-starter";
        | ^
      3 | import { ServerStarterAgent } from "@ag-ui/server-starter";
      4 | import { ServerStarterAllFeaturesAgent } from "@ag-ui/server-starter-all-features";
      5 | import { MastraClient } from "@mastra/client-js";
    
    https://nextjs.org/docs/messages/module-not-found
    
    Import trace for requested module:
    ./src/app/api/copilotkit/[integrationId]/route.ts
     GET /_next/static/webpack/2c301618becf47be.webpack.hot-update.json 500 in 2118ms
     ⚠ Fast Refresh had to perform a full reload due to a runtime error.
     GET /server-starter/feature/agentic_chat 500 in 26ms
    <w> [webpack.cache.PackFileCacheStrategy] Caching failed for pack: Error: ENOENT: no such file or directory, rename '/opt/work/CODE/ag-ui/typescript-sdk/apps/dojo/.next/cache/webpack/client-development-fallback/0.pack.gz_' -> '/opt/work/CODE/ag-ui/typescript-sdk/apps/dojo/.next/cache/webpack/client-development-fallback/0.pack.gz'
    

  • Browser page exception: