feat: add user management features including user creation, editing, and role management

- Implemented user API functions for fetching, creating, updating, and managing users.
- Created a UsersPage component for displaying and managing users with search and pagination.
- Added types for user data and mutation payloads.
- Introduced a LegacyRouteRedirect component for handling legacy routes.
- Defined settings-related types for better type safety in settings management.

atsf_server/web/app/(dashboard)/files/page.tsx

@@ -1,10 +1,5 @@
-import { ModulePageSkeleton } from '@/features/shared/components/module-page-skeleton';
+import { FilesPage } from '@/features/files/components/files-page';
 
-export default function FilesPage() {
-  return (
-    <ModulePageSkeleton
-      title='文件管理'
-      description='阶段 4 将在此接入文件列表、下载与管理交互。'
-    />
-  );
+export default function FilesRoute() {
+  return <FilesPage />;
 }