storybookjs/storybook GitHub Actions scorecard

# Missing dependency cache (yarn) (applies to: Publish Canary Packages)
- uses: actions/setup-node@v4
  with:
    node-version: 20
    cache: 'yarn'

# No concurrency control (applies to: Handle Release Branches)
concurrency:
  group: ${{ github.workflow }}
  # no cancel-in-progress on deploys: queued deploys would be dropped

# No concurrency control (applies to: Triage issues, GitHub Actions Security Analysis with zizmor 🌈, Fork checks, Claude Code Review, Claude Code)
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

# No job timeout (applies to: Trigger CircleCI workflow, Danger JS, Handle Release Branches, Triage issues, Fork checks, Publish Canary Packages, GitHub Actions Security Analysis with zizmor 🌈, Claude Code Review, Claude Code, Agent eval, Update Canary PR Body)
jobs:
  build:
    runs-on: ubuntu-latest
    timeout-minutes: 15

# No path filters on triggers (applies to: Trigger CircleCI workflow, Handle Release Branches, Fork checks, Publish Canary Packages, GitHub Actions Security Analysis with zizmor 🌈, Claude Code Review, Agent eval)
on:
  pull_request:
    paths:
      - 'src/**'
      - 'package.json'

# Premium runners (macOS / Windows) (applies to: Fork checks)
jobs:
  build:
    runs-on: ubuntu-latest  # ~10x cheaper than macos-latest

# cancel-in-progress on a deploy workflow (applies to: Publish Canary Packages)
concurrency:
  group: ${{ github.workflow }}
  # queued deploys run in order; none are dropped

Each snippet is representative. Merge into the named workflow files rather than pasting wholesale.