REFACTOR data service

frontend/src/pages/auth/RegisterPage.tsx

@@ -58,6 +58,16 @@ interface RegisterForm {
   paymentCompleted: boolean;
 }
 
+interface RegisterFormErrors {
+  fullName?: string;
+  email?: string;
+  confirmEmail?: string;
+  password?: string;
+  confirmPassword?: string;
+  acceptTerms?: string;
+  paymentCompleted?: string;
+}
+
 const RegisterPage: React.FC<RegisterPageProps> = ({ onLogin, onNavigateToLogin }) => {
   const { register, isLoading } = useAuth();
   
@@ -73,7 +83,7 @@ const RegisterPage: React.FC<RegisterPageProps> = ({ onLogin, onNavigateToLogin
   
   const [showPassword, setShowPassword] = useState(false);
   const [showConfirmPassword, setShowConfirmPassword] = useState(false);
-  const [errors, setErrors] = useState<Partial<RegisterForm>>({});
+  const [errors, setErrors] = useState<RegisterFormErrors>({});
   const [passwordStrength, setPasswordStrength] = useState<{
     score: number;
     checks: { [key: string]: boolean };
@@ -246,7 +256,7 @@ const RegisterPage: React.FC<RegisterPageProps> = ({ onLogin, onNavigateToLogin
     e.preventDefault();
     
     // Validate form but exclude payment requirement for first step
-    const newErrors: Partial<RegisterForm> = {};
+    const newErrors: RegisterFormErrors = {};
 
     if (!formData.fullName.trim()) {
       newErrors.fullName = 'El nombre completo es obligatorio';
@@ -346,7 +356,7 @@ const RegisterPage: React.FC<RegisterPageProps> = ({ onLogin, onNavigateToLogin
     }));
     
     // Clear error when user starts typing
-    if (errors[name as keyof RegisterForm]) {
+    if (errors[name as keyof RegisterFormErrors]) {
       setErrors(prev => ({
         ...prev,
         [name]: undefined

frontend/src/pages/dashboard/DashboardPage.tsx

@@ -219,9 +219,6 @@ const DashboardPage: React.FC<DashboardPageProps> = ({
         onUpdateStatus={(itemId: string, status: any) => {
           console.log('Update status:', itemId, status);
         }}
-        onViewDetails={() => {
-          onNavigateToProduction?.();
-        }}
       />
 
       {/* Quick Overview - Supporting Information */}

frontend/src/pages/onboarding/OnboardingPage.tsx

@@ -7,7 +7,7 @@ import SimplifiedTrainingProgress from '../../components/SimplifiedTrainingProgr
 import { 
   useTenant, 
   useTraining, 
-  useData,
+  useSales,
   useTrainingWebSocket,
   useOnboarding,
   TenantCreate,
@@ -75,7 +75,7 @@ const OnboardingPage: React.FC<OnboardingPageProps> = ({ user, onComplete }) =>
   const [trainingJobId, setTrainingJobId] = useState<string>('');
   const { createTenant, getUserTenants, isLoading: tenantLoading } = useTenant();
   const { startTrainingJob } = useTraining({ disablePolling: true });
-  const { uploadSalesHistory, validateSalesData } = useData();
+  const { uploadSalesHistory, validateSalesData } = useSales();
   
   const steps = [
     { id: 1, title: 'Datos de Panadería', icon: Store },
@@ -315,7 +315,7 @@ const OnboardingPage: React.FC<OnboardingPageProps> = ({ user, onComplete }) =>
         const tenantData: TenantCreate = {
           name: bakeryData.name,
           address: bakeryData.address,
-          business_type: "bakery",
+          business_type: "individual",
           postal_code: "28010",
           phone: "+34655334455",
           coordinates: bakeryData.coordinates,

frontend/src/pages/orders/OrdersPage.tsx

@@ -355,9 +355,9 @@ const OrdersPage: React.FC = () => {
           <Package className="mx-auto h-12 w-12 text-gray-400 mb-4" />
           <h3 className="text-lg font-medium text-gray-900 mb-2">No hay pedidos</h3>
           <p className="text-gray-600 mb-4">
-            {activeTab === 'all' 
+            {activeTab === 'orders' 
               ? 'Aún no has creado ningún pedido'
-              : `No hay pedidos ${activeTab === 'pending' ? 'pendientes' : 'entregados'}`
+              : 'No hay datos disponibles para esta sección'
             }
           </p>
           <button