feat: Fix Overview always active, add Refresh button, add Logout in standalone

admin-spa/src/App.tsx

@@ -259,11 +259,34 @@ function AddonRoute({ config }: { config: any }) {
 
 function Header({ onFullscreen, fullscreen, showToggle = true }: { onFullscreen: () => void; fullscreen: boolean; showToggle?: boolean }) {
   const siteTitle = (window as any).wnw?.siteTitle || 'WooNooW';
+  const isStandalone = window.WNW_CONFIG?.standaloneMode ?? false;
+  
+  const handleLogout = async () => {
+    try {
+      await fetch(window.WNW_CONFIG.restUrl + '/auth/logout', {
+        method: 'POST',
+        credentials: 'include',
+      });
+      window.location.reload();
+    } catch (err) {
+      console.error('Logout failed:', err);
+    }
+  };
+  
   return (
     <header className={`h-16 border-b border-border flex items-center px-4 justify-between sticky ${fullscreen ? `top-0` : `top-[32px]`} z-40 bg-background md:bg-background/95 md:backdrop-blur md:supports-[backdrop-filter]:bg-background/60`}>
       <div className="font-semibold">{siteTitle}</div>
       <div className="flex items-center gap-3">
         <div className="text-sm opacity-70 hidden sm:block">{window.WNW_API?.isDev ? 'Dev Server' : 'Production'}</div>
+        {isStandalone && (
+          <button
+            onClick={handleLogout}
+            className="inline-flex items-center gap-2 border rounded-md px-3 py-2 text-sm hover:bg-accent hover:text-accent-foreground"
+            title="Logout"
+          >
+            <span>{__('Logout')}</span>
+          </button>
+        )}
         {showToggle && (
           <button
             onClick={onFullscreen}