ci.yml

name: CI

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

permissions:
  contents: read

concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true

jobs:
  ci:
    name: CI
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Node
        uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: 'npm'

      - name: Install dependencies
        run: npm ci

      - name: Lint
        run: npm run lint

      - name: Typecheck
        run: npm run typecheck

      - name: Build
        run: npm run build

      - name: Ensure working tree clean (no unbuilt artifacts)
        run: |
          if [ -n "$(git status --porcelain)" ]; then
            echo "Repository has uncommitted changes after build (likely missing build artifacts in commit)." >&2
            git status --porcelain
            exit 1
          fi