Fixes: 1) Correct type hints and comments for better accuracy; 2) Address formatting inconsistencies in exception messages and queries;
Extra: Refactor long lines for improved readability and maintainability across functions and methods;
Fixes: 1) Resolved redundant lines and formatting inconsistencies across multiple files; 2) Corrected Collection typing imports and Optional replacements with union types (e.g., `str | None`);
Extra: Improved formatting and readability by consolidating single-line code sections and simplifying expressions.
