feat(tree): implement tree component with checkbox support and manager pattern

- Added core Tree component (BimTree, BimTreeNode)
- Added TreeManager for lifecycle management
- Added ModelTreeManager for business logic encapsulation (Tree + Dialog)
- Integrated into BimEngine and updated demos
- Added internationalization support

AI_COLLABORATION.md

@@ -536,7 +536,9 @@ engine.toolbar.setButtonVisibility('my-button', false);
 | `ToolbarManager` | `src/managers/toolbar-manager.ts` | 管理底部工具栏 | `BimComponent` |
 | `ButtonGroupManager` | `src/managers/button-group-manager.ts` | 管理通用按钮组 | `BimComponent` |
 | `EngineManager` | `src/managers/engine-manager.ts` | 管理 3D 引擎 | `BimComponent` |
-| `RightKeyManager` | `src/managers/right-key-manager.ts` | 管理右键菜单 (Context Menu)。直接使用 `MenuItemConfig` 接口配置 | `BimComponent` |
+| `RightKeyManager` | `src/managers/right-key-manager.ts` | 管理右键菜单 (Context Menu) | `BimComponent` |
+| `TreeManager` | `src/managers/tree-manager.ts` | 管理树组件实例 | `BimComponent` |
+| `ModelTreeManager` | `src/managers/model-tree-manager.ts` | 模型树业务管理器 (组合 Dialog 和 Tree) | `BimComponent` |
 
 ### 4.2 组件类清单
 
@@ -549,6 +551,7 @@ engine.toolbar.setButtonVisibility('my-button', false);
 | `Engine` | `src/components/engine/index.ts` | 3D 引擎组件 | `IBimComponent` |
 | `BimRightKey` | `src/components/right-key/index.ts` | 右键浮层容器 | `IBimComponent` |
 | `BimMenu` | `src/components/menu/index.ts` | 通用菜单列表 | `IBimComponent` |
+| `BimTree` | `src/components/tree/index.ts` | 通用树形组件 | `IBimComponent` |
 
 ### 4.3 服务类清单
 
@@ -573,6 +576,11 @@ interface EngineEvents {
     'engine:model-loaded': { url: string };
     'engine:object-clicked': { objectId: string; position: { x: number, y: number, z: number } };
     
+    // 树组件事件
+    'ui:tree-node-check': { id: string; checked: boolean; node: any };
+    'ui:tree-node-select': { id: string; selected: boolean; node: any };
+    'ui:tree-node-expand': { id: string; expanded: boolean };
+
     // 系统事件
     'sys:theme-changed': { theme: string };
     'sys:locale-changed': { locale: string };