- Create new ruff-auto-fix.yml workflow that automatically fixes formatting issues
- Auto-commits fixes back to PR branches
- Comments on PRs when fixes are applied
- Restructure CI pipeline to run lint before tests (Stage 1 → Stage 2)
- Update CONTRIBUTING.md with current Ruff tooling (replaces outdated Black/Flake8 references)
- Add clear pre-commit setup instructions
- Document new CI workflow structure
Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>