Fixes: 1) Correct default values and type handling in util constructors; 2) Resolve missing or ambiguous `cast` operations for dynamic typing in tests and views; 3) Address potential issues with fallback/default handling in middleware.
Extra: 1) Refactor test cases to ensure stricter adherence to typing hints and valid contracts; 2) Update docstrings to align with new type annotations; 3) Cleanup unused imports and add comments for improved maintainability.
1) Add new `test_graphene` test module for expanded testing coverage;
2) Introduce `test_drf` module in `engine/blog` for improved API testing;
Fixes:
1) Remove unnecessary `--extra testing` flag from Dockerfile to streamline dependencies;
2) Update `uv.lock` with newer versions of dependencies (`certifi`, `coverage`, `django-constance`) for enhanced security and functionality;
Extra:
1) Remove deprecated packages (`bandit`, `cfgv`, `distlib`) from `uv.lock` for cleanup;
2) Adjust `uv.lock` content and formatting to be consistent with updated dependencies.
