fix: Reorder using directives and improve error logging format in MCP window

Author: Hashibutogarasu

MCPForUnity/Editor/Windows/MCPForUnityEditorWindow.cs

@@ -1,14 +1,14 @@
 using System;
 using System.Collections.Generic;
 using System.Threading.Tasks;
-using UnityEditor;
-using UnityEngine;
-using UnityEngine.UIElements;
 using MCPForUnity.Editor.Helpers;
 using MCPForUnity.Editor.Services;
-using MCPForUnity.Editor.Windows.Components.Settings;
-using MCPForUnity.Editor.Windows.Components.Connection;
 using MCPForUnity.Editor.Windows.Components.ClientConfig;
+using MCPForUnity.Editor.Windows.Components.Connection;
+using MCPForUnity.Editor.Windows.Components.Settings;
+using UnityEditor;
+using UnityEngine;
+using UnityEngine.UIElements;
 
 namespace MCPForUnity.Editor.Windows
 {
@@ -53,6 +53,7 @@ public static void CloseAllOpenWindows()
                 }
             }
         }
+
         public void CreateGUI()
         {
             string basePath = AssetPathUtility.GetMcpPackageRootPath();
@@ -64,7 +65,9 @@ public void CreateGUI()
 
             if (visualTree == null)
             {
-                McpLog.Error($"Failed to load UXML at: {basePath}/Editor/Windows/MCPForUnityEditorWindow.uxml");
+                McpLog.Error(
+                    $"Failed to load UXML at: {basePath}/Editor/Windows/MCPForUnityEditorWindow.uxml"
+                );
                 return;
             }
 
@@ -105,8 +108,10 @@ public void CreateGUI()
                 var settingsRoot = settingsTree.Instantiate();
                 sectionsContainer.Add(settingsRoot);
                 settingsSection = new McpSettingsSection(settingsRoot);
-                settingsSection.OnGitUrlChanged += () => clientConfigSection?.UpdateManualConfiguration();
-                settingsSection.OnHttpServerCommandUpdateRequested += () => connectionSection?.UpdateHttpServerCommandDisplay();
+                settingsSection.OnGitUrlChanged += () =>
+                    clientConfigSection?.UpdateManualConfiguration();
+                settingsSection.OnHttpServerCommandUpdateRequested += () =>
+                    connectionSection?.UpdateHttpServerCommandDisplay();
             }
 
             // Load and initialize Connection section
@@ -118,7 +123,8 @@ public void CreateGUI()
                 var connectionRoot = connectionTree.Instantiate();
                 sectionsContainer.Add(connectionRoot);
                 connectionSection = new McpConnectionSection(connectionRoot);
-                connectionSection.OnManualConfigUpdateRequested += () => clientConfigSection?.UpdateManualConfiguration();
+                connectionSection.OnManualConfigUpdateRequested += () =>
+                    clientConfigSection?.UpdateManualConfiguration();
             }
 
             // Load and initialize Client Configuration section
@@ -190,11 +196,11 @@ private void ScheduleHealthCheck()
         {
             EditorApplication.delayCall += async () =>
             {
-                if (this == null)
+                if (this == null || connectionSection == null)
                 {
                     return;
                 }
-                await connectionSection?.VerifyBridgeConnectionAsync();
+                await connectionSection.VerifyBridgeConnectionAsync();
             };
         }
     }