初步构建起页面布局

layouts/admin/types.uts

@@ -0,0 +1,20 @@
+// 统一类型定义文件，避免重复定义冲突
+
+export type MenuItem = {
+  id: string
+  title: string
+  icon: string
+  path?: string
+  children?: MenuItem[]
+}
+
+export type UserInfo = {
+  nickname: string
+  role: string
+}
+
+export type TagItem = {
+  path: string
+  title: string
+  isAffix?: boolean
+}