name: Weekly Security Scan

on:
  schedule:
    - cron: "0 9 * * 1" # Every Monday at 09:00 UTC
  workflow_dispatch: # Allow manual trigger
    inputs:
      full_scan:
        description: "Rescan every skill, ignoring cached findings"
        type: boolean
        default: false

permissions:
  contents: write

jobs:
  scan:
    runs-on: ubuntu-latest
    # Scans run concurrently and reuse findings for unchanged skills, so a
    # typical incremental run is minutes. The headroom is for a full rescan
    # (triggered by a scanner/model change or the 30-day backstop) plus the
    # scanner's own rate-limit retries.
    timeout-minutes: 60

    steps:
      - uses: actions/checkout@v6

      - uses: astral-sh/setup-uv@v8.0.0
        with:
          enable-cache: true
          cache-dependency-glob: uv.lock
          python-version: "3.13"

      - name: Install dependencies
        run: uv sync --python 3.13

      - name: Run security scan
        env:
          SKILL_SCANNER_LLM_API_KEY: ${{ secrets.SKILL_SCANNER_LLM_API_KEY }}
          SKILL_SCANNER_LLM_MODEL: ${{ vars.SKILL_SCANNER_LLM_MODEL || 'claude-opus-5' }}
          # Each skill scan is blocked on LLM network I/O, so concurrency is
          # bounded by API rate limits rather than by the runner. Lower this if
          # runs start hitting sustained 429s.
          SKILL_SCAN_WORKERS: ${{ vars.SKILL_SCAN_WORKERS || '8' }}
          SKILL_SCAN_FULL: ${{ inputs.full_scan && '1' || '' }}
        run: uv run python scan_skills.py

      - name: Upload report artifact
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: security-report
          path: |
            docs/security-report.md
            docs/security-report.json
          if-no-files-found: warn

      - name: Commit updated security report
        run: |
          if [ -z "$(git status --porcelain docs/security-report.md docs/security-report.json)" ]; then
            echo "Report unchanged; nothing to commit."
            exit 0
          fi
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git stash --include-untracked
          git pull --rebase
          git stash pop || true
          git add docs/security-report.md docs/security-report.json
          git commit -m "chore: update security scan report [skip ci]"
          git push