- Add scripts/__init__.py and scripts/extract/__init__.py to make scripts a proper Python package - Configure PYTHONPATH in CI workflows (ci.yml and pr-checks.yml) for pytest and mypy - Add explicit_package_bases = true to mypy configuration in pyproject.toml - Fixes ModuleNotFoundError in tests and mypy module name conflicts Co-authored-by: ArtemFilin1990 <221041513+ArtemFilin1990@users.noreply.github.com>