fix: Apply formatting in CI before checking

- Add 'uv run ruff format src tests' step before the check
- This ensures files are properly formatted in CI environment
- Addresses potential line ending or environment differences
- CI will now format files and then verify they're formatted correctly

Author: RuiFSP

.github/workflows/ci-cd.yml

@@ -35,6 +35,7 @@ jobs:
       run: |
         # Run Ruff linter and formatter - replaces black, isort, flake8
         uv run ruff check src tests
+        uv run ruff format src tests
         uv run ruff format --check src tests
 
     - name: Run type checking