Fix general settings route and req.user references

- Update frontend settings service to use correct /api/admin/settings/general route
- Fix all req.user to req.admin references in adminSettings.js
- Ensures settings can be saved without authentication errors

frontend/src/contexts/GalleryAuthContext.tsx

@@ -46,8 +46,18 @@ export const GalleryAuthProvider: React.FC<GalleryAuthProviderProps> = ({ childr
     // Check if user has a valid token on mount
     const token = getAuthToken(false);
     if (token) {
-      // TODO: Validate token with backend
-      setIsAuthenticated(true);
+      // Try to restore event data from localStorage
+      const storedEvent = localStorage.getItem('gallery_event');
+      if (storedEvent) {
+        try {
+          const eventData = JSON.parse(storedEvent);
+          setEvent(eventData);
+          setIsAuthenticated(true);
+        } catch (error) {
+          console.error('Failed to parse stored event data');
+          localStorage.removeItem('gallery_event');
+        }
+      }
     }
     setIsLoading(false);
   }, []);
@@ -59,6 +69,9 @@ export const GalleryAuthProvider: React.FC<GalleryAuthProviderProps> = ({ childr
       const response = await authService.verifyGalleryPassword(slug, password);
       setEvent(response.event);
       setIsAuthenticated(true);
+      
+      // Store event data in localStorage
+      localStorage.setItem('gallery_event', JSON.stringify(response.event));
     } catch (err: any) {
       setError(err.response?.data?.error || 'Invalid password');
       throw err;
@@ -71,6 +84,7 @@ export const GalleryAuthProvider: React.FC<GalleryAuthProviderProps> = ({ childr
     authService.galleryLogout();
     setIsAuthenticated(false);
     setEvent(null);
+    localStorage.removeItem('gallery_event');
   };
 
   return (