feat: admin avatar in header with settings link

client/src/app/layout/AppHeader.tsx

@@ -146,12 +146,10 @@ export function AppHeader() {
             </>
           )}
 
-          {!isAdmin && <UserMenu user={user} onNavigate={navigate} onLogout={onLogout} />}
+          {!isAdmin && <UserMenu user={user} isAdmin={false} onNavigate={navigate} onLogout={onLogout} />}
 
           {isAdmin && user && !isMobile && (
-            <Button color="inherit" onClick={onLogout} sx={{ ml: 1 }}>
-              Выход
-            </Button>
+            <UserMenu user={user} isAdmin={true} onNavigate={navigate} onLogout={onLogout} />
           )}
 
           {!isMobile && (

client/src/features/user/user-menu/ui/UserMenu.tsx

@@ -9,11 +9,12 @@ import { UserAvatar } from '@/shared/ui/UserAvatar'
 
 type Props = {
   user: AuthUser | null
+  isAdmin?: boolean
   onNavigate: (to: string) => void
   onLogout: () => void
 }
 
-export function UserMenu({ user, onNavigate, onLogout }: Props) {
+export function UserMenu({ user, isAdmin = false, onNavigate, onLogout }: Props) {
   const [anchorEl, setAnchorEl] = useState<null | HTMLElement>(null)
   const open = Boolean(anchorEl)
 
@@ -63,8 +64,11 @@ export function UserMenu({ user, onNavigate, onLogout }: Props) {
       >
         {user ? (
           <>
-            <MenuItem onClick={() => go('/me')}>
-              <ListItemText primary={(user.displayName && user.displayName.trim()) || user.email} secondary="Профиль" />
+            <MenuItem onClick={() => go(isAdmin ? '/admin/settings' : '/me')}>
+              <ListItemText
+                primary={(user.displayName && user.displayName.trim()) || user.email}
+                secondary={isAdmin ? 'Настройки' : 'Профиль'}
+              />
             </MenuItem>
             <MenuItem onClick={handleLogout}>Выход</MenuItem>
           </>