Fix on Issue #465 (#477)

* Update ScreenshotUtility.cs

Fix issue in issue#465

* Update ScreenshotUtility.cs

MCPForUnity/Runtime/Helpers/ScreenshotUtility.cs

@@ -3,7 +3,7 @@ using System.IO;
 using System.Linq;
 using UnityEngine;
 
-namespace MCPForUnity.Runtime.Helpers 
+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.
 {
     public readonly struct ScreenshotCaptureResult
@@ -42,14 +42,7 @@ namespace MCPForUnity.Runtime.Helpers
             // Use only the file name to let Unity decide the final location (per CaptureScreenshot docs).
             string captureName = Path.GetFileName(normalizedFullPath);
 
-
-#if UNITY_2022_1_OR_NEWER
-            ScreenCapture.CaptureScreenshot(captureName, size);
-#else
-            Debug.LogWarning("ScreenCapture is supported after Unity 2022.1. Using main camera capture as fallback.");
-            CaptureFromCameraToAssetsFolder(Camera.main, captureName, size, false);
-#endif
-
+            // Use Asset folder for ScreenCapture.CaptureScreenshot to ensure write to asset rather than project root
             string projectRoot = GetProjectRootPath();
             string assetsRelativePath = normalizedFullPath;
             if (assetsRelativePath.StartsWith(projectRoot, StringComparison.OrdinalIgnoreCase))
@@ -57,6 +50,13 @@ namespace MCPForUnity.Runtime.Helpers
                 assetsRelativePath = assetsRelativePath.Substring(projectRoot.Length).TrimStart('/');
             }
 
+#if UNITY_2022_1_OR_NEWER
+            ScreenCapture.CaptureScreenshot(assetsRelativePath, size);
+#else
+            Debug.LogWarning("ScreenCapture is supported after Unity 2022.1. Using main camera capture as fallback.");
+            CaptureFromCameraToAssetsFolder(Camera.main, captureName, size, false);
+#endif      
+
             return new ScreenshotCaptureResult(
                 normalizedFullPath,
                 assetsRelativePath,