- Updated the roles table to use `code` as the primary key, enhancing readability and simplifying junction tables.
- Modified `user_roles` and `product_role_visibility` tables to reference `role_code` instead of `role_id`, maintaining many-to-many relationships.
- Added foreign key constraints and created new indexes to optimize queries.
- Removed the previous migration file that was no longer needed, ensuring a cleaner migration history.
- Updated related documentation to reflect the new schema changes and their benefits.
d6404434a3