- Added GetUserPackageStatus functionality with mapping and service implementation.
- Introduced UserOrder service methods for updating order status, applying discounts, and calculating order PV.
- Created Protobuf definitions for public messages and user orders, including necessary request and response messages.
- Implemented mapping profiles for package and user order related queries and commands.
- Developed query handlers and validators for new commands and queries in the application layer.
- Established PublicMessage service for handling public messages with appropriate gRPC endpoints.
- Added UpdateDiscountProductCommandValidator for validating discount product updates.
- Created GetDiscountProductByIdQuery and its handler for retrieving discount product details by ID.
- Implemented GetDiscountProductsQuery and handler for fetching a list of discount products with filtering options.
- Developed AddToCartCommand and handler for adding products to the shopping cart.
- Implemented ClearCartCommand and handler for clearing the shopping cart.
- Created RemoveFromCartCommand and handler for removing items from the cart.
- Added UpdateCartItemCountCommand and handler for updating the quantity of items in the cart.
- Developed GetUserCartQuery and handler for retrieving the user's shopping cart details.
- Implemented Product Tag functionalities including assigning tags to products, creating, updating, and deleting tags.
- Added queries for fetching all tags and products by tag.
