feat(frontend): add frontend-v2 modular architecture (Task 17)

- React 19 + TypeScript + Vite
- Module registration mechanism with dynamic loading
- Permission management system (basic/advanced/premium)
- Route guards for access control
- Error boundaries for module isolation
- 6 business module placeholders (AIA/ASL/PKB/DC/SSA/ST)
- Top navigation layout
- Tailwind CSS 3 + Ant Design 5

frontend-v2/src/framework/permission/usePermission.ts

@@ -0,0 +1,44 @@
+import { useContext } from 'react'
+import { PermissionContext } from './PermissionContext'
+import { PermissionContextType } from './types'
+
+/**
+ * 权限Hook
+ * 
+ * @description 提供便捷的权限检查功能
+ * @version Week 2 Day 7 - 任务17
+ * 
+ * @example
+ * ```tsx
+ * const MyComponent = () => {
+ *   const { user, checkModulePermission } = usePermission()
+ *   
+ *   if (!checkModulePermission('advanced')) {
+ *     return <UpgradePrompt />
+ *   }
+ *   
+ *   return <div>欢迎 {user?.name}</div>
+ * }
+ * ```
+ */
+export const usePermission = (): PermissionContextType => {
+  const context = useContext(PermissionContext)
+  
+  if (context === undefined) {
+    throw new Error(
+      'usePermission must be used within a PermissionProvider. ' +
+      'Please wrap your app with <PermissionProvider>.'
+    )
+  }
+  
+  return context
+}
+
+/**
+ * 导出权限相关类型（方便使用）
+ */
+export type { UserInfo, UserVersion, PermissionContextType } from './types'
+
+
+
+