fix: ScreenshotUtility.cs WebGL compilation

MCPForUnity/Runtime/Helpers/ScreenshotUtility.cs → MCPForUnity/Editor/Helpers/ScreenshotUtility.cs

@@ -3,8 +3,8 @@
 using System.Linq;
 using UnityEngine;
 
-namespace MCPForUnity.Runtime.Helpers
-//The reason for having another Runtime Utilities in additional to Editor Utilities is to avoid Editor-only dependencies in this runtime code.
+namespace MCPForUnity.Editor.Helpers
+{
 {
     public readonly struct ScreenshotCaptureResult
     {

MCPForUnity/Editor/Tools/ManageScene.cs

@@ -3,7 +3,6 @@
 using System.IO;
 using System.Linq;
 using MCPForUnity.Editor.Helpers; // For Response class
-using MCPForUnity.Runtime.Helpers; // For ScreenshotUtility
 using Newtonsoft.Json.Linq;
 using UnityEditor;
 using UnityEditor.SceneManagement;