name: Commit Lint

on:
  pull_request:
    branches: [main]

permissions:
  contents: read

jobs:
  commitlint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - uses: actions/setup-node@v4
        with:
          node-version: '20'
      - name: Install dependencies
        run: npm ci --ignore-scripts 2>/dev/null || npm install
      - name: Validate PR commits
        run: npx commitlint --from "${{ github.event.pull_request.base.sha }}" --to "${{ github.event.pull_request.head.sha }}" --verbose