feat: fire cartAdded event in AddToCartButton

client/src/features/cart/add-to-cart/ui/AddToCartButton.tsx

@@ -4,6 +4,7 @@ import { useMutation, useQueryClient } from '@tanstack/react-query'
 import { useUnit } from 'effector-react'
 import { addToCart } from '@/entities/cart/api/cart-api'
 import { $user } from '@/shared/model/auth'
+import { cartAdded } from '@/shared/model/cart-notifications'
 
 type Props = {
   productId: string
@@ -18,7 +19,10 @@ export function AddToCartButton(props: Props) {
 
   const addMut = useMutation({
     mutationFn: () => addToCart({ productId, qty }),
-    onSuccess: () => void qc.invalidateQueries({ queryKey: ['me', 'cart'] }),
+    onSuccess: () => {
+      void qc.invalidateQueries({ queryKey: ['me', 'cart'] })
+      cartAdded()
+    },
   })
 
   return (