Rebadge the rest of the files

src/Imprink.Domain/Entities/Product/Category.cs

@@ -0,0 +1,15 @@
+namespace Imprink.Domain.Entities.Product;
+
+public class Category : EntityBase
+{
+    public string Name { get; set; } = null!; 
+    public string Description { get; set; } = null!; 
+    public string? ImageUrl { get; set; }
+    public int SortOrder { get; set; }
+    public bool IsActive { get; set; }
+    public Guid? ParentCategoryId { get; set; }
+    
+    public virtual Category? ParentCategory { get; set; }
+    public virtual ICollection<Category> SubCategories { get; set; } = new List<Category>();
+    public virtual ICollection<Product> Products { get; set; } = new List<Product>();
+}

src/Imprink.Domain/Entities/Product/Product.cs

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+using Imprink.Domain.Entities.Orders;
+
+namespace Imprink.Domain.Entities.Product;
+
+public class Product : EntityBase
+{
+    public required string Name { get; set; }
+    public string? Description { get; set; }
+    public required decimal BasePrice { get; set; }
+    public required bool IsCustomizable { get; set; }
+    public required bool IsActive { get; set; }
+    public string? ImageUrl { get; set; }
+    public Guid? CategoryId { get; set; }
+        
+    public virtual required Category Category { get; set; }
+    public virtual ICollection<ProductVariant> ProductVariants { get; set; } = new List<ProductVariant>();
+    public virtual ICollection<OrderItem> OrderItems { get; set; } = new List<OrderItem>();
+}

src/Imprink.Domain/Entities/Product/ProductVariant.cs

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+using Imprink.Domain.Entities.Orders;
+
+namespace Imprink.Domain.Entities.Product;
+
+public class ProductVariant : EntityBase
+{
+    public required Guid ProductId { get; set; }
+    public required string Size { get; set; }
+    public string? Color { get; set; }
+    public required decimal Price { get; set; }
+    public string? ImageUrl { get; set; }
+    public required string Sku { get; set; }
+    public int StockQuantity { get; set; }
+    public bool IsActive { get; set; }
+        
+    public virtual required Imprink.Domain.Entities.Product.Product Product { get; set; }
+    public virtual ICollection<OrderItem> OrderItems { get; set; } = new List<OrderItem>();
+}