web/context/CartContext.js

@@ -45,6 +45,12 @@ export function CartProvider({ children }) {
     }
   }, []);
 
+  useEffect(() => {
+    if (user?.storeId && !localStorage.getItem(STORE_KEY)) {
+      setStoreId(user.storeId);
+    }
+  }, [user, setStoreId]);
+
   const refreshCart = useCallback(async () => {
     if (!token || !selectedStoreId) {
       setCart(null);