Implement screenshot capture for Unity 2022.1+

Add conditional screenshot capture for Unity 2022.1 and newer.

Author: Scriptwonder

MCPForUnity/Runtime/Helpers/ScreenshotUtility.cs

@@ -41,12 +41,15 @@ public static ScreenshotCaptureResult CaptureToAssetsFolder(string fileName = nu
 
             // 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
 
-            Debug.Log($"Screenshot requested: file='{captureName}' intendedFullPath='{normalizedFullPath}' persistentDataPath='{Application.persistentDataPath}'");
-
             string projectRoot = GetProjectRootPath();
             string assetsRelativePath = normalizedFullPath;
             if (assetsRelativePath.StartsWith(projectRoot, StringComparison.OrdinalIgnoreCase))