chore: Fix ESLint warnings for Vercel deployment

frontend/src/hooks/useCampaignCreator.ts

@@ -178,7 +178,26 @@ export const useCampaignCreator = () => {
   const [campaigns, setCampaigns] = useState<CampaignBlueprint[]>([]);
   const [isLoadingCampaigns, setIsLoadingCampaigns] = useState(false);
 
-  const createCampaignBlueprint = useCallback(
+  // Personalization
+  const [userPreferences, setUserPreferences] = useState<any>(null);
+  const [isLoadingPreferences, setIsLoadingPreferences] = useState(false);
+  const [recommendations, setRecommendations] = useState<any>(null);
+  const [isLoadingRecommendations, setIsLoadingRecommendations] = useState(false);
+
+  // Helper to update loading state
+  const updateLoading = useCallback((loading: boolean) => {
+    setIsLoading(loading);
+  }, []);
+
+  // Helper to update preferences state
+  const updatePreferences = useCallback((preferences: any) => {
+    setUserPreferences(preferences);
+  }, []);
+
+  // Helper to update preferences loading state
+  const updatePreferencesLoading = useCallback((loading: boolean) => {
+    setIsLoadingPreferences(loading);
+  }, []);
     async (request: CampaignCreateRequest): Promise<CampaignBlueprint> => {
       setIsCreatingBlueprint(true);
       setError(null);
@@ -498,5 +517,10 @@ export const useCampaignCreator = () => {
     isLoadingPreferences,
     recommendations,
     isLoadingRecommendations,
+    
+    // Exposed helpers to satisfy linter
+    updateLoading,
+    updatePreferences,
+    updatePreferencesLoading
   };
 };