[WIP] Add type module to package.json for ES module support

[Copilot]

Plan: Fix GitHub Actions Build Failure

• Understand the issue - Metro config uses ES modules but package.json doesn't specify "type": "module"
• Review current package.json configuration
• Add "type": "module" field to package.json after "private": true
• Verify the change doesn't break existing functionality
• Run any existing tests if available
• Request code review
• Run security scan (CodeQL)
• Verify workflow will work with the change

Original prompt

Problem

The GitHub Actions workflow "Build Release APKs" is failing with the following error:

SyntaxError: Error loading Metro config at: /home/runner/work/matrix/matrix/metro.config.js
Cannot use import statement outside a module

Error Details:

• Job ID: 64001030721
• Run ID: 22139861626
• Commit: 95a47f8
• Failed task: :app:createBundleReleaseJsAndAssets

Root Cause

The metro.config.js file uses CommonJS syntax (require/module.exports), but Node.js is attempting to load it as an ES module. The workflow includes a step to fix this by converting it to ES module syntax, but the package.json doesn't have "type": "module" configured, causing a mismatch.

Solution Required

Add "type": "module" to package.json to enable ES module support across the project. This will allow the Metro config fix in the workflow to work correctly.

Files to Modify

1. package.json

Add "type": "module" field after the "private": true line:

{
  "name": "expo-app",
  "main": "expo-router/entry",
  "version": "1.0.0",
  "private": true,
  "type": "module",
  "scripts": {
    ...
  }
}

Expected Outcome

After this change:

1. ✅ The Metro config will load correctly as an ES module
2. ✅ The GitHub Actions workflow will build successfully
3. ✅ Release APK files will be generated and uploaded as artifacts
4. ✅ The app remains fully functional with no breaking changes

Verification

The workflow at .github/workflows/blank.yml already includes a "Fix Metro Config" step that converts the file to ES module syntax. Once package.json has "type": "module", this conversion will work properly and the build will succeed.

Additional Context

• This is a React Native/Expo app (Matrix Solver)
• The app is fully offline and uses TypeScript
• Current build system: Gradle with React Native 0.81.5 and Expo 54
• The workflow builds both iOS and Android bundles, but only generates Android APKs

This pull request was created from Copilot chat.

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