chore(unity): 固定Unity CLI Loop本地包并移除UnitySkills依赖

Client/Packages/io.github.hatayama.uloopmcp/Editor/Utils/GameObjectPathUtility.cs

@@ -0,0 +1,26 @@
+#nullable enable
+using System;
+using UnityEngine;
+
+namespace io.github.hatayama.uLoopMCP
+{
+    // Builds slash-separated hierarchy paths shared by screenshot metadata and UI input targeting.
+    internal static class GameObjectPathUtility
+    {
+        public static string GetFullPath(GameObject gameObject)
+        {
+            Debug.Assert(gameObject != null, "GameObject must not be null.");
+            if (gameObject == null)
+            {
+                throw new ArgumentNullException(nameof(gameObject));
+            }
+
+            if (gameObject.transform.parent == null)
+            {
+                return gameObject.name;
+            }
+
+            return GetFullPath(gameObject.transform.parent.gameObject) + "/" + gameObject.name;
+        }
+    }
+}