fix: update parameter references to 'prefabPath' in ManagePrefabs and manage_prefabs tools

Author: msanatan

UnityMcpBridge/Editor/Tools/Prefabs/ManagePrefabs.cs

@@ -54,7 +54,7 @@ private static object OpenStage(JObject @params)
             string prefabPath = @params["prefabPath"]?.ToString();
             if (string.IsNullOrEmpty(prefabPath))
             {
-                return Response.Error("'path' parameter is required for open_stage.");
+                return Response.Error("'prefabPath' parameter is required for open_stage.");
             }
 
             string sanitizedPath = AssetPathUtility.SanitizeAssetPath(prefabPath);
@@ -155,7 +155,7 @@ private static object CreatePrefabFromGameObject(JObject @params)
                 );
             }
 
-            string requestedPath = @params["prefabPath"]?.ToString() ?? @params["path"]?.ToString();
+            string requestedPath = @params["prefabPath"]?.ToString();
             if (string.IsNullOrWhiteSpace(requestedPath))
             {
                 return Response.Error("'prefabPath' (or 'path') parameter is required for create_from_gameobject.");
@@ -225,6 +225,18 @@ private static void EnsureAssetDirectoryExists(string assetPath)
 
         private static GameObject FindSceneObjectByName(string name, bool includeInactive)
         {
+            PrefabStage stage = PrefabStageUtility.GetCurrentPrefabStage();
+            if (stage?.prefabContentsRoot != null)
+            {
+                foreach (Transform transform in stage.prefabContentsRoot.GetComponentsInChildren<Transform>(includeInactive))
+                {
+                    if (transform.name == name)
+                    {
+                        return transform.gameObject;
+                    }
+                }
+            }
+
             Scene activeScene = SceneManager.GetActiveScene();
             foreach (GameObject root in activeScene.GetRootGameObjects())
             {

UnityMcpBridge/UnityMcpServer~/src/tools/manage_prefabs.py

@@ -16,10 +16,8 @@ def manage_prefabs(
             "open_stage",
             "close_stage",
             "save_open_stage",
-            "apply_instance_overrides",
-            "revert_instance_overrides",
             "create_from_gameobject",
-        ], "One of open_stage, close_stage, save_open_stage, apply_instance_overrides, revert_instance_overrides, create_from_gameobject"],
+        ], "One of open_stage, close_stage, save_open_stage, create_from_gameobject"],
         prefab_path: Annotated[str | None,
                                "Prefab asset path relative to Assets e.g. Assets/Prefabs/favorite.prefab"] = None,
         mode: Annotated[str | None,