8.4Integrating Gates into CI

# .github/workflows/test-quality-gates.yml
name: Test Quality Gates

on: [pull_request]

jobs:
  quality-gates:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: '3.12'

      - name: Install dependencies
        run: pip install -r requirements-test.txt

      - name: "Gate 1: All tests pass"
        run: pytest tests/ -v --tb=short

      - name: "Gate 2: No assertion-free tests"
        run: python scripts/check_assertions.py tests/

      - name: "Gate 3: Coverage threshold"
        run: pytest --cov=app --cov-fail-under=80 --cov-report=xml

      - name: "Gate 4: Flaky test detection"
        run: pytest tests/ --count=3 -x

      - name: Upload coverage
        uses: codecov/codecov-action@v4
        with:
          file: coverage.xml