perf: 接入预览页面

assets/main.ts

@@ -18,6 +18,9 @@ export class main extends Component {
     @property({ type: Prefab, tooltip: '写关卡页面预制体' })
     pageWriteLevelsPrefab: Prefab | null = null;
 
+    @property({ type: Prefab, tooltip: '预览试卷页面预制体' })
+    pagePreviewLevelsPrefab: Prefab | null = null;
+
     @property({ type: Prefab, tooltip: 'Toast 预制体' })
     toastPrefab: Prefab | null = null;
 
@@ -61,6 +64,14 @@ export class main extends Component {
             });
         }
 
+        if (this.pagePreviewLevelsPrefab) {
+            ViewManager.instance.register('PagePreviewLevels', {
+                prefab: this.pagePreviewLevelsPrefab,
+                cache: true,
+                zIndex: 3
+            });
+        }
+
         // 初始化 Toast 管理器
         if (this.toastPrefab) {
             ToastManager.instance.init(this.toastPrefab, this.node);