Fixes: 1) Add missing `created` parameter handling in signal receivers for `Product` and `Category`; 2) Ensure proper formatting for long method calls and imports; 3) Adjust inline object creation to enhance readability;
Extra: Update import style and consistent formatting for readability improvements throughout `signals.py`;
Fixes: 1) Correct `urlsafe_base64_encode` decoding logic in tests; 2) Fix queryset access issues in resolvers; 3) Address missing or incorrect imports across multiple files.
Extra: Improve code readability with consistent naming and formatting; Add `# noinspection` annotations to suppress IDE warnings; Update `pyproject.toml` to exclude `drf.py` in MyPy checks.
Fixes: 1) Prevent potential incorrect execution of `instance.finalize()` by adding else block;
Extra: 1) Add spacing for improved readability; 2) Minor formatting tweaks in signal logic.
Fixes: 1) Prevent error by adding user check when processing non-PENDING orders; 2) Remove redundant status assignment and save for CREATED orders; 3) Add missing error handler for POST requests in settings;
Extra: None;
Added logic to handle IntegrityError by generating unique human-readable IDs for orders during creation. This ensures no duplicate order entries are created in case of integrity constraints.
