Add image-designer skill, align billing to DeepSeek ×1, and enrich Plaza demo.

Introduce AI image generation with chat shortcut and agent API, improve MindSpace chat-to-page save resolution, and seed Plaza covers with production deploy scripts.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/api/client.ts

@@ -272,14 +272,15 @@ export async function checkAuth(): Promise<AuthStatus> {
     if (!response.ok) return { authenticated: false };
     const status = (await response.json()) as AuthStatus;
     if (status.authenticated) resetUnauthorizedGuard();
-    if (status.authenticated && status.mode === 'user' && !status.capabilities) {
+    if (status.authenticated && status.mode === 'user') {
       try {
         const me = await getMe();
         return {
           ...status,
-          capabilities: me.capabilities,
-          grantedSkills: me.grantedSkills,
-          user: me.user,
+          user: me.user ?? status.user,
+          capabilities: me.capabilities ?? status.capabilities,
+          grantedSkills: me.grantedSkills ?? status.grantedSkills,
+          unrestricted: me.unrestricted ?? status.unrestricted,
         };
       } catch {
         return status;