Refactored Celery configurations to enhance task reliability, including changes to prefetch multiplier and timeout settings. Updated the worker command in `docker-compose.yml` to specify concurrency, memory limits, and task timeouts. Added a memory limit for the worker service to improve resource management.
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.
