feat: add local settings

src/components/PageLayout.tsx

@@ -2,6 +2,7 @@ import { BackButton } from './BackButton';
 import { LogoutButton } from './LogoutButton';
 import MobileBottomNav from './MobileBottomNav';
 import MobileHeader from './MobileHeader';
+import { SettingsButton } from './SettingsButton';
 import Sidebar from './Sidebar';
 import { ThemeToggle } from './ThemeToggle';
 
@@ -34,6 +35,7 @@ const PageLayout = ({ children, activePath = '/' }: PageLayoutProps) => {
 
           {/* 桌面端顶部按钮 */}
           <div className='absolute top-2 right-4 z-20 hidden md:flex items-center gap-2'>
+            <SettingsButton />
             <LogoutButton />
             <ThemeToggle />
           </div>