Refactor agent loading to use Dispatcher for UI thread execution; bump version to 0.1.12.0

Author: 239573049

Directory.Packages.props

@@ -1,7 +1,7 @@
 <Project>
   <PropertyGroup>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
-    <Version>0.1.11.0</Version>
+    <Version>0.1.12.0</Version>
     <AssemblyVersion>$(Version)</AssemblyVersion>
     <FileVersion>$(Version)</FileVersion>
     <InformationalVersion>$(Version)</InformationalVersion>

SemanticCode/ViewModels/AgentsManagementViewModel.cs

@@ -305,17 +305,17 @@ private void OnFileChanged(object sender, FileSystemEventArgs e)
         // 延迟加载以避免文件锁定问题
         Task.Delay(500).ContinueWith(_ => 
         {
-            LoadAgents();
-        }, TaskScheduler.FromCurrentSynchronizationContext());
+            Dispatcher.UIThread.Post(LoadAgents);
+        });
     }
 
     private void OnFileRenamed(object sender, RenamedEventArgs e)
     {
         System.Diagnostics.Debug.WriteLine($"File renamed: {e.OldName} -> {e.Name}");
         Task.Delay(500).ContinueWith(_ => 
         {
-            LoadAgents();
-        }, TaskScheduler.FromCurrentSynchronizationContext());
+            Dispatcher.UIThread.Post(LoadAgents);
+        });
     }
 
     private void OnAgentInstalled(object? sender, EventArgs e)