name: Lint taxonomy

on:
  pull_request:
    paths:
      - "tasks/**/task.md"
      - "tasks-extra/**/task.md"
      - "taxonomy.yaml"
      - ".github/scripts/lint_taxonomy.py"
      - ".github/workflows/lint-taxonomy.yml"
  push:
    branches: [main]
    paths:
      - "tasks/**/task.md"
      - "tasks-extra/**/task.md"
      - "taxonomy.yaml"
      - ".github/scripts/lint_taxonomy.py"

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.12"
      - name: Install PyYAML (task.md frontmatter parsing)
        run: python3 -m pip install pyyaml
      - name: Validate every task's taxonomy metadata (task.md frontmatter)
        run: python3 .github/scripts/lint_taxonomy.py