Found a bug? Please fill out the sections below. 👍

Issue Summary

I got this error while deploying on Heorku:
"
-----> Build
Running build

   > [email protected] build
   > next build
   
   ⚠ No build cache found. Please configure build caching for faster rebuilds. Read more: https://nextjs.org/docs/messages/no-cache
   Attention: Next.js now collects completely anonymous telemetry regarding usage.
   This information is used to shape Next.js' roadmap and prioritize features.
   You can learn more, including how to opt-out if you'd not like to participate in this anonymous program, by visiting the following URL:
   https://nextjs.org/telemetry
   
      ▲ Next.js 15.2.4
   
      Linting and checking validity of types ...

⨯ ESLint must be installed in order to run during builds: npm install --save-dev eslint
Failed to compile.
./internal-ui/vite.config.ts:3:19
Type error: Cannot find module '@vitejs/plugin-react' or its corresponding type declarations.
1 | import { resolve } from 'path';
2 | import { defineConfig } from 'vite';

3 | import react from '@vitejs/plugin-react';
| ^
4 | import viteTsconfigPaths from 'vite-tsconfig-paths';
5 | import typescript from '@rollup/plugin-typescript';
6 |
Next.js build worker exited with code: 1 and signal: null
-----> Build failed

   We're sorry this build is failing! You can troubleshoot common issues here:
   https://devcenter.heroku.com/articles/troubleshooting-node-deploys
   
   Some possible problems:
   
   - Dangerous semver range (>) in engines.node
     https://devcenter.heroku.com/articles/nodejs-support#specifying-a-node-js-version
   
   Love,
   Heroku

! Push rejected, failed to compile Node.js app.
! Push failed"

Steps to Reproduce

Try to deploy using the 1-Click Heroku Deployment

Any other relevant information. For example, why do you consider this a bug and what did you expect to happen instead?

Technical details

• Browser version: You can use https://www.whatsmybrowser.org/ to find this out.
• Node.js version
• Anything else that you think could be an issue.