docs: backfill XML documentation across 756 files

Adds <summary>, <param>, <typeparam>, and <inheritdoc/> tags to public
members surfaced by commentchecker — resolves 5,847 of 5,869 issues
(99.6%) across three /fixdocs passes.

src/Client/ZB.MOM.WW.OtOpcUa.Client.UI/Views/WriteValueWindow.axaml.cs

@@ -10,6 +10,7 @@ public partial class WriteValueWindow : Window
     private readonly SubscriptionsViewModel _subscriptionsVm;
     private readonly string _nodeId;
 
+    /// <summary>Initializes a default instance of the WriteValueWindow for XAML designer support.</summary>
     public WriteValueWindow()
     {
         InitializeComponent();
@@ -17,6 +18,10 @@ public partial class WriteValueWindow : Window
         _nodeId = string.Empty;
     }
 
+    /// <summary>Initializes a WriteValueWindow with the node to write and its current value.</summary>
+    /// <param name="subscriptionsVm">The subscriptions view model for write operations.</param>
+    /// <param name="nodeId">The OPC UA node ID to write to.</param>
+    /// <param name="currentValue">The current value of the node, or null if unknown.</param>
     public WriteValueWindow(SubscriptionsViewModel subscriptionsVm, string nodeId, string? currentValue)
     {
         InitializeComponent();