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/features/users/api/users.ts

@@ -0,0 +1,41 @@
+import { apiRequest } from '@/lib/api/client';
+
+import type {
+  ManageUserAction,
+  ManageUserResult,
+  UserItem,
+  UserMutationPayload,
+} from '@/features/users/types';
+
+export function getUsers(page: number) {
+  return apiRequest<UserItem[]>(`/user/?p=${page}`);
+}
+
+export function searchUsers(keyword: string) {
+  return apiRequest<UserItem[]>(`/user/search?keyword=${encodeURIComponent(keyword)}`);
+}
+
+export function getUser(id: number) {
+  return apiRequest<UserItem>(`/user/${id}`);
+}
+
+export function createUser(payload: UserMutationPayload) {
+  return apiRequest<void>('/user/', {
+    method: 'POST',
+    body: JSON.stringify(payload),
+  });
+}
+
+export function updateUser(payload: UserMutationPayload & { id: number }) {
+  return apiRequest<void>('/user/', {
+    method: 'PUT',
+    body: JSON.stringify(payload),
+  });
+}
+
+export function manageUser(username: string, action: ManageUserAction) {
+  return apiRequest<ManageUserResult>('/user/manage', {
+    method: 'POST',
+    body: JSON.stringify({ username, action }),
+  });
+}