supplier und migration

Webshop.Domain/Interfaces/ISupplierRepository.cs

@@ -0,0 +1,14 @@
+// src/Webshop.Domain/Interfaces/ISupplierRepository.cs
+using Webshop.Domain.Entities;
+
+namespace Webshop.Domain.Interfaces
+{
+    public interface ISupplierRepository
+    {
+        Task<IEnumerable<Supplier>> GetAllSuppliersAsync();
+        Task<Supplier?> GetSupplierByIdAsync(Guid id);
+        Task AddSupplierAsync(Supplier supplier);
+        Task UpdateSupplierAsync(Supplier supplier);
+        Task DeleteSupplierAsync(Guid id);
+    }
+}