ci.yml

name: CI

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

# Each PR / push restarts the workflow; cancel any in-flight run for the
# same ref so we don't pay for stale builds.
concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true

jobs:
  test:
    name: typecheck + test + build (node ${{ matrix.node }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        node: ["18", "20"]
    steps:
      - uses: actions/checkout@v4

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

      - name: Install dependencies (root + workspaces)
        run: npm ci

      - name: Typecheck
        run: npm run typecheck

      - name: Unit tests
        run: npm test

      - name: Build library
        run: npm run build

      - name: Build minimal-react example
        run: npm run build -w minimal-react-example

      # Sanity check: every committed source file's commit message must
      # not mention AI tooling. Catches accidental Co-Authored-By
      # trailers added by editor integrations.
      - name: Verify commit messages are clean
        if: matrix.node == '20'
        run: |
          if git log --pretty=%B "${{ github.event.pull_request.base.sha || 'HEAD~20' }}..HEAD" \
              | grep -iE "(claude|co-authored-by:.*claude|🤖|anthropic|generated with)"; then
            echo "::error::Commit message mentions AI tooling — strip the trailer before merging."
            exit 1
          fi
          echo "Commit messages clean."