ci.yml

name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

permissions:
  contents: read

jobs:
  build-and-test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node-version: [18, 20, 22]

    steps:
      - uses: actions/checkout@v4

      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v4
        with:
          node-version: ${{ matrix.node-version }}
          cache: npm

      - name: Install dependencies
        run: npm ci

      - name: Type check & build
        run: npm run build

      - name: Smoke test (mock backend)
        run: npm test

      - name: Verify dist/ is up to date
        run: |
          npm run build
          if [ -n "$(git diff --name-only dist/)" ]; then
            echo "::error::dist/ is out of date. Run 'npm run build' and commit the result."
            git diff --stat dist/
            exit 1
          fi