Merge branch 'worktree-agent-a9d87141c744e7733' into feat/instance-picker

src/ZB.MOM.WW.ScadaBridge.CentralUI/Components/Pages/Deployment/DebugView.razor

@@ -83,7 +83,7 @@
             <div class="col-md-4">
                 <label class="form-label small">Instance</label>
                 <InstancePicker Areas="_siteAreas" Instances="_siteInstances"
-                                ItemLabel="@(i => $"{i.UniqueName} ({i.State})")"
+                                ItemLabel="InstanceLabel"
                                 SelectedInstanceId="_selectedInstanceId" SelectedInstanceIdChanged="OnInstancePicked"
                                 Disabled="@_connected" DataTestPrefix="debug-instance" />
             </div>
@@ -455,17 +455,22 @@
         }
     }
 
-    /// <summary>Handles a pick from the <c>InstancePicker</c> combobox.</summary>
-    private void OnInstancePicked(int id)
-    {
-        _selectedInstanceId = id;
-        OnInstanceSelectionChanged();
-    }
+    /// <summary>
+    /// The label the <c>InstancePicker</c> renders on a row and in its field:
+    /// the instance's unique name with its lifecycle state.
+    /// </summary>
+    /// <param name="instance">The instance to label.</param>
+    /// <returns>The display label, e.g. <c>Line1.Mixer (Enabled)</c>.</returns>
+    private static string InstanceLabel(Instance instance) =>
+        $"{instance.UniqueName} ({instance.State})";
 
-    private void OnInstanceSelectionChanged()
-    {
-        // No-op; selection is tracked via _selectedInstanceId binding
-    }
+    /// <summary>
+    /// Records the instance the operator picked in the <c>InstancePicker</c>.
+    /// Everything downstream (the Connect button's enablement, <c>Connect()</c>
+    /// itself) reads <c>_selectedInstanceId</c>, so there is nothing else to do.
+    /// </summary>
+    /// <param name="id">Id of the picked instance.</param>
+    private void OnInstancePicked(int id) => _selectedInstanceId = id;
 
     /// <summary>
     /// When the attribute filter changes, expand the tree so any branches holding