Improve the sales import

frontend/src/components/domain/onboarding/steps/UploadSalesDataStep.tsx

@@ -239,7 +239,7 @@ export const UploadSalesDataStep: React.FC<UploadSalesDataStepProps> = ({
 
   const handleCreateInventory = async () => {
     const selectedItems = inventoryItems.filter(item => item.selected);
-    
+
     if (selectedItems.length === 0) {
       setError('Por favor selecciona al menos un artículo de inventario para crear');
       return;
@@ -254,22 +254,18 @@ export const UploadSalesDataStep: React.FC<UploadSalesDataStepProps> = ({
     setError('');
 
     try {
-      const createdIngredients = [];
+      // Parallel inventory creation
+      setProgressState({
+        stage: 'creating_inventory',
+        progress: 10,
+        message: `Creando ${selectedItems.length} artículos de inventario...`
+      });
 
-      for (const item of selectedItems) {
-        // Ensure reorder_point > minimum_stock_level as required by backend validation
+      const creationPromises = selectedItems.map(item => {
         const minimumStock = Math.max(1, Math.ceil(item.stock_quantity * 0.2));
         const calculatedReorderPoint = Math.ceil(item.stock_quantity * 0.3);
         const reorderPoint = Math.max(minimumStock + 2, calculatedReorderPoint, minimumStock + 1);
-        
-        console.log(`📊 Inventory validation for "${item.suggested_name}":`, {
-          stockQuantity: item.stock_quantity,
-          minimumStock,
-          calculatedReorderPoint,
-          finalReorderPoint: reorderPoint,
-          isValid: reorderPoint > minimumStock
-        });
-        
+
         const ingredientData = {
           name: item.suggested_name,
           category: item.category,
@@ -285,18 +281,36 @@ export const UploadSalesDataStep: React.FC<UploadSalesDataStepProps> = ({
           notes: item.notes || `Creado durante onboarding - Confianza: ${Math.round(item.confidence_score * 100)}%`
         };
 
-        const created = await createIngredient.mutateAsync({
+        return createIngredient.mutateAsync({
           tenantId: currentTenant.id,
           ingredientData
-        });
-
-        createdIngredients.push({
+        }).then(created => ({
           ...created,
           initialStock: item.stock_quantity
-        });
+        }));
+      });
+
+      const results = await Promise.allSettled(creationPromises);
+
+      const createdIngredients = results
+        .filter(r => r.status === 'fulfilled')
+        .map(r => (r as PromiseFulfilledResult<any>).value);
+
+      const failedCount = results.filter(r => r.status === 'rejected').length;
+
+      if (failedCount > 0) {
+        console.warn(`${failedCount} items failed to create out of ${selectedItems.length}`);
       }
 
+      console.log(`Successfully created ${createdIngredients.length} inventory items in parallel`);
+
       // After inventory creation, import the sales data
+      setProgressState({
+        stage: 'importing_sales',
+        progress: 50,
+        message: 'Importando datos de ventas...'
+      });
+
       console.log('Importing sales data after inventory creation...');
       let salesImportResult = null;
       try {
@@ -305,29 +319,33 @@ export const UploadSalesDataStep: React.FC<UploadSalesDataStepProps> = ({
             tenantId: currentTenant.id,
             file: selectedFile
           });
-          
+
           salesImportResult = result;
           if (result.success) {
             console.log('Sales data imported successfully');
+            setProgressState({
+              stage: 'completing',
+              progress: 95,
+              message: 'Finalizando configuración...'
+            });
           } else {
             console.warn('Sales import completed with issues:', result.error);
           }
         }
       } catch (importError) {
         console.error('Error importing sales data:', importError);
-        // Don't fail the entire process if import fails - the inventory has been created successfully
       }
 
       setProgressState(null);
       onComplete({
         createdIngredients,
-        totalItems: selectedItems.length,
+        totalItems: createdIngredients.length,
         validationResult,
         file: selectedFile,
         salesImportResult,
-        inventoryConfigured: true, // Flag for ML training dependency
-        shouldAutoCompleteSuppliers: true, // Flag to trigger suppliers auto-completion after step completion
-        userId: user?.id // Pass user ID for suppliers completion
+        inventoryConfigured: true,
+        shouldAutoCompleteSuppliers: true,
+        userId: user?.id
       });
     } catch (err) {
       console.error('Error creating inventory items:', err);