重构

- 统一 ItemDescForm/RewardItem/GoodsItem 的描述格式
- 减少组件属性的 Clone 数量，目前只在合并仓库、组装防御塔时才进行复制
- 删除先前留下的冗余 fallback 代码

Assets/GameMain/Scripts/UI/General/View/ItemDescForm.cs

@@ -39,13 +39,7 @@ namespace GeometryTD.UI
         [SerializeField] private float _sideGap = 16f;
 
         [SerializeField] private float _anchorItemWidth = 0f;
-
-        [SerializeField] private Graphic _blankAreaGraphic;
-
-        [SerializeField] private bool _disableBlankAreaRaycast = true;
-
-        [SerializeField] private bool _closeOnPointerDownOutsideContent = true;
-
+        
         private readonly List<GameObject> _runtimeTagItems = new List<GameObject>();
 
         private ItemDescFormContext _context;
@@ -84,12 +78,7 @@ namespace GeometryTD.UI
         {
             base.OnOpen(userData);
             _isOpened = true;
-
-            if (_disableBlankAreaRaycast && _blankAreaGraphic != null)
-            {
-                _blankAreaGraphic.raycastTarget = false;
-            }
-
+            
             if (!(userData is ItemDescFormContext context))
             {
                 Log.Error("ItemDescFormContext is invalid.");
@@ -119,7 +108,7 @@ namespace GeometryTD.UI
 
         private void Update()
         {
-            if (!_isOpened || !_closeOnPointerDownOutsideContent || _content == null)
+            if (!_isOpened || _content == null)
             {
                 return;
             }

Assets/GameMain/Scripts/UI/General/View/RewardItem.cs

@@ -95,7 +95,7 @@ namespace GeometryTD.UI
 
         public void OnClick()
         {
-            if (_context == null || !_context.IsSelectable)
+            if (_context == null)
             {
                 return;
             }