Fix new services implementation 5

frontend/src/api/index.ts

@@ -16,6 +16,7 @@ export {
   trainingService,
   forecastingService,
   notificationService,
+  inventoryService,
   api
 } from './services';
 
@@ -31,6 +32,8 @@ export {
   useNotification,
   useApiHooks,
   useOnboarding,
+  useInventory,
+  useInventoryProducts
 } from './hooks';
 
 // Export WebSocket functionality