- Added a comprehensive ban checking system to prevent access for banned users at multiple levels, including database, API, and client-side.
- Introduced `bannedUntil` field in the customer model to manage temporary and permanent bans effectively.
- Enhanced `BaseService` and various service classes to include ban checks, ensuring that banned users cannot perform actions or access data.
- Updated error handling to provide consistent feedback for banned users across the application.
- Improved user experience with a dedicated ban check component and a user-friendly ban notification page.