Fixes: 1) Validate gateway presence in `process_transaction_changes` signal; 2) Add missing imports for `Type`, `create_object`, and `AbstractGateway`;
Extra: 1) Cleanup unused diff lines in migrations files; 2) Improve JSONField, FloatField, and PositiveIntegerField declarations by consolidating into single lines; 3) Remove redundant match-case logic in `signals.py`.
Fixes: 1) Correct import order in `payments.admin`.
Extra: 1) Update `productimage.priority` field in `core` app with default value and help text; 2) Include `integration_path` in `Vendor` admin additional fields.
Fixes: None;
Extra: 1) Remove unnecessary blank line in migrations file; 2) Minor formatting adjustments for better readability in migration definitions;
Updated the API version from 2.5.0 to 2.6.0 in the DRF settings for consistency across configurations. Reformatted migration files for better readability, ensuring consistency in code style and improving maintainability. These changes do not alter functionality but enhance clarity and documentation.
Introduce a unique, auto-generated slug field to the Product model, populated from category, brand, and name. Update core filters, serializers, sitemaps, and GraphQL object types to support the new slug functionality. Also, enforce HTTP-only cookies for session, CSRF, and language for improved security.
