refactor: 删除 constants 目录，直接使用源路径

- 删除 src/constants/ 目录（仅为转发代理）
- 更新 8 个文件的导入路径：
  * STORAGE_KEYS  @/config/storage
  * VALIDATORS  @/utils/validators
  * ROLE_ROOT  @/enums
- 修复旧的枚举路径（settings/device-enum 等）

src/directives/permission/index.ts

@@ -1,7 +1,7 @@
 import type { Directive, DirectiveBinding } from "vue";
 
 import { useUserStore } from "@/store";
-import { ROLE_ROOT } from "@/constants";
+import { ROLE_ROOT } from "@/enums";
 
 /**
  * 按钮权限