feat: Add toast notifications to all wizards

- Imported showToast utility from react-hot-toast wrapper
- Added success toast after successful API calls in all 7 wizards
- Added error toast on API failures for better user feedback
- Replaced silent errors with user-visible toast notifications

Wizards updated:
- CustomerWizard: Toast on customer creation
- EquipmentWizard: Toast on equipment creation
- QualityTemplateWizard: Toast on template creation
- SupplierWizard: Toast on supplier + price list creation
- RecipeWizard: Toast on recipe creation
- SalesEntryWizard: Toast on sales record creation
- CustomerOrderWizard: Toast on customer + order creation

This completes the toast notification implementation (High Priority item).
Users now get immediate visual feedback on success/failure instead of
relying on console.log or error state alone.

frontend/src/components/domain/unified-wizard/wizards/CustomerOrderWizard.tsx

@@ -15,6 +15,7 @@ import {
 import { useTenant } from '../../../../stores/tenant.store';
 import OrdersService from '../../../../api/services/orders';
 import { inventoryService } from '../../../../api/services/inventory';
+import { showToast } from '../../../../utils/toast';
 import {
   CustomerCreate,
   CustomerType,
@@ -116,11 +117,14 @@ const CustomerSelectionStep: React.FC<WizardDataProps> = ({ data, onDataChange,
         };
 
         const createdCustomer = await OrdersService.createCustomer(customerData);
+        showToast.success('Cliente creado exitosamente');
         onDataChange({ ...data, customer: createdCustomer, isNewCustomer: true });
         onNext();
       } catch (err: any) {
         console.error('Error creating customer:', err);
-        setError(err.response?.data?.detail || 'Error al crear el cliente');
+        const errorMessage = err.response?.data?.detail || 'Error al crear el cliente';
+        setError(errorMessage);
+        showToast.error(errorMessage);
       } finally {
         setCreatingCustomer(false);
       }
@@ -633,11 +637,14 @@ const DeliveryPaymentStep: React.FC<WizardDataProps> = ({ data, onDataChange, on
 
       await OrdersService.createOrder(orderData);
 
+      showToast.success('Pedido creado exitosamente');
       onDataChange({ ...data, ...deliveryData });
       onComplete();
     } catch (err: any) {
       console.error('Error creating order:', err);
-      setError(err.response?.data?.detail || 'Error al crear el pedido');
+      const errorMessage = err.response?.data?.detail || 'Error al crear el pedido';
+      setError(errorMessage);
+      showToast.error(errorMessage);
     } finally {
       setLoading(false);
     }