fix(multivalue): MV-11/MV-13 review nits — correct CLI attribute-delete README synopsis; explicit Disabled + dead-branch cleanup in TemplateEdit list editor

src/ZB.MOM.WW.ScadaBridge.CLI/README.md

@@ -214,13 +214,12 @@ scadabridge --url <url> template attribute update --id <int> --name <string> --d
 Remove an attribute from a template.
 
 ```sh
-scadabridge --url <url> template attribute delete --template-id <int> --name <string>
+scadabridge --url <url> template attribute delete --id <int>
 ```
 
 | Option | Required | Description |
 |--------|----------|-------------|
-| `--template-id` | yes | Template ID |
-| `--name` | yes | Attribute name to delete |
+| `--id` | yes | Attribute ID |
 
 #### `template alarm add`
 

src/ZB.MOM.WW.ScadaBridge.CentralUI/Components/Pages/Design/TemplateEdit.razor

@@ -572,9 +572,11 @@
                                 @if (_attrDataType == DataType.List)
                                 {
                                     <div class="col-12">
+                                        @* List VALUE stays editable when editing; only DataType/ElementDataType are server-fixed (ShowElementType hides the type select on edit). *@
                                         <AttributeListEditor @bind-ElementDataType="_attrElementDataType"
                                                              @bind-Rows="_attrListRows"
-                                                             ShowElementType="@(!editing)" />
+                                                             ShowElementType="@(!editing)"
+                                                             Disabled="false" />
                                     </div>
                                 }
                                 else
@@ -1591,7 +1593,7 @@
         if (dt == DataType.List)
         {
             _attrValue = null;
-            if (_attrListRows.Count == 0) _attrListRows = new();
+            _attrListRows = new();
             if (!AttributeValueCodec.IsValidElementType(_attrElementDataType))
                 _attrElementDataType = DataType.String;
         }