name: PR Labeler

# Applies area:* labels based on which files a PR changes (see .github/labeler.yml).
# Uses pull_request_target so it also works on fork PRs. SAFE: actions/labeler
# only reads the changed-file list via the API — it never checks out or runs PR code.

on:
  pull_request_target:
    types: [opened, synchronize, reopened, ready_for_review]

permissions:
  contents: read
  pull-requests: write

concurrency:
  group: pr-labeler-${{ github.event.pull_request.number }}
  cancel-in-progress: true

jobs:
  label:
    if: github.event.pull_request.draft == false
    runs-on: ubuntu-latest
    steps:
      - name: Apply area labels
        uses: actions/labeler@v5
        with:
          configuration-path: .github/labeler.yml
          sync-labels: true