- Updated InvoicesController, NotificationsController, OrdersController, and SubscriptionsController to replace inline parameter validation with Zod DTOs, enhancing code maintainability and clarity.
- Introduced new DTOs for invoice and notification ID parameters, ensuring consistent validation across endpoints.
- Refactored service method calls to utilize the new DTOs, improving type safety and reducing potential errors.
- Cleaned up unused imports and optimized code structure for better readability.