Rul1an/assay GitHub Actions scorecard

# Missing dependency cache (bundler) (applies to: assay-action-contract-tests)
- uses: ruby/setup-ruby@v1
  with:
    bundler-cache: true

# Missing dependency cache (cargo) (applies to: Split Wave 0 Gates)
- uses: Swatinem/rust-cache@v2

# No concurrency control (applies to: Perf (PR compare), Smoke Install (E2E), Assay Gate, Assay-Runner Lane Check, Public Artifact Sanitization, Review Record Check, PR Content Labels)
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

# Missing dependency cache (pip) (applies to: Adequacy drift)
- uses: actions/setup-python@v5
  with:
    python-version: '3.12'
    cache: 'pip'

# Workflow runs on both push and pull_request (applies to: Assay Gate)
on:
  push:
    branches: [main]
  pull_request:

# No path filters on triggers (applies to: Assay Gate, Perf (PR compare), Assay-Runner Lane Check)
on:
  pull_request:
    paths:
      - 'src/**'
      - 'package.json'

# No job timeout (applies to: Parity Tests, assay-action-contract-tests, Smoke Install (E2E), Perf (main baseline), Perf (PR compare), Auto-Update Docs, Split Wave 0 Gates, Dependabot Queue Maintenance, Assay-Runner Lane Check, PR Content Labels)
jobs:
  build:
    runs-on: ubuntu-latest
    timeout-minutes: 15

# Cache without restore-keys (applies to: Parity Tests)
    key: deps-${{ runner.os }}-${{ hashFiles('**/<lockfile>') }}
    restore-keys: |
      deps-${{ runner.os }}-

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

# System packages reinstalled every run (applies to: CI, Perf (main baseline), Perf (PR compare), Auto-Update Docs, Split Wave 0 Gates, Runner Spike SDK)
- uses: awalsh128/cache-apt-pkgs-action@latest
  with:
    packages: <your packages>
    version: 1.0

# Artifacts at default retention (applies to: assay-action-contract-tests, Verifier Fuzz Smoke)
- uses: actions/upload-artifact@v4
  with:
    name: build
    path: dist/
    retention-days: 7

# Scheduled at the top of the hour (applies to: Perf (main baseline))
on:
  schedule:
    - cron: '23 3 * * *'  # was '0 3 * * *' — any non-:00 minute avoids the herd

# Scheduled workflow runs in forks (applies to: Perf (main baseline), Public Artifact Sanitization, Verifier Fuzz Smoke, Adequacy drift)
jobs:
  nightly:
    if: github.repository == 'owner/repo'
    runs-on: ubuntu-latest

# Scheduled at the top of the hour (applies to: Verifier Fuzz Smoke)
on:
  schedule:
    - cron: '27 4 * * *'  # was '0 4 * * *' — any non-:00 minute avoids the herd

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