Fix TypeScript typecheck errors

resources/js/admin/mobile/components/MobileShell.tsx

@@ -18,6 +18,7 @@ import { TenantEvent, getEvents } from '../../api';
 import { setTabHistory } from '../lib/tabHistory';
 import { loadPhotoQueue } from '../lib/photoModerationQueue';
 import { countQueuedPhotoActions } from '../lib/queueStatus';
+import { useDocumentTitle } from '../hooks/useDocumentTitle';
 import { useAdminTheme } from '../theme';
 import { useAuth } from '../../auth/context';
 import { EventSwitcherSheet } from './EventSwitcherSheet';
@@ -25,13 +26,14 @@ import { UserMenuSheet } from './UserMenuSheet';
 
 type MobileShellProps = {
   title?: string;
+  subtitle?: string;
   children: React.ReactNode;
   activeTab: NavKey;
   onBack?: () => void;
   headerActions?: React.ReactNode;
 };
 
-export function MobileShell({ title, children, activeTab, onBack, headerActions }: MobileShellProps) {
+export function MobileShell({ title, subtitle, children, activeTab, onBack, headerActions }: MobileShellProps) {
   const { events, activeEvent, selectEvent } = useEventContext();
   const { user } = useAuth();
   const { go } = useMobileNav(activeEvent?.slug, activeTab);
@@ -40,6 +42,8 @@ export function MobileShell({ title, children, activeTab, onBack, headerActions
   const { t } = useTranslation('mobile');
   const { count: notificationCount } = useNotificationsBadge();
   const online = useOnlineStatus();
+
+  useDocumentTitle(title);
   
   const theme = useAdminTheme();
   
@@ -360,6 +364,18 @@ export function MobileShell({ title, children, activeTab, onBack, headerActions
             ) : null}
           </MobileCard>
         ) : null}
+        {subtitle ? (
+          <YStack space="$1">
+            {title ? (
+              <Text fontSize="$lg" fontWeight="800" color={theme.textStrong}>
+                {title}
+              </Text>
+            ) : null}
+            <Text fontSize="$sm" color={theme.muted}>
+              {subtitle}
+            </Text>
+          </YStack>
+        ) : null}
         {children}
       </YStack>