feat: Add product kit views.

myproject/products/views/productkit_views.py

@@ -104,8 +104,17 @@ class ProductKitCreateView(LoginRequiredMixin, ManagerOwnerRequiredMixin, Create
         if copy_id:
             try:
                 kit = ProductKit.objects.get(pk=copy_id)
+                
+                # Generate unique name
+                base_name = f"{kit.name} (Копия)"
+                new_name = base_name
+                counter = 1
+                while ProductKit.objects.filter(name=new_name).exists():
+                    counter += 1
+                    new_name = f"{base_name} {counter}"
+                
                 initial.update({
-                    'name': f"{kit.name} (Копия)",
+                    'name': new_name,
                     'description': kit.description,
                     'short_description': kit.short_description,
                     'categories': list(kit.categories.values_list('pk', flat=True)),