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.
Fixes: (1) Removed all `# type: ignore` annotations across the codebase; (2) Fixed usage of Django Model methods by eliminating unnecessary `# type: ignore` directives; (3) Adjusted usage of functions like `get()` to align with method expectations, removing incorrect comments;
Extra: (1) Deleted `pyrightconfig.json` as part of migration to a stricter type-checked environment; (2) Minor code cleanup, including formatting changes and refactoring import statements in adherence to PEP8 recommendations.
