fixed add to cart bugs

app.vue

@@ -44,6 +44,20 @@ categories.get()
 
 const user = useUserStore()
 user.get()
+
+const token = useCookie("token");
+const cart = useCartStore();
+if (import.meta.client && localStorage.getItem("cart"))
+  cart.items = JSON.parse(localStorage.getItem("cart") || "{}");
+watch(
+  () => cart.items,
+  (value) => {
+    if (!token.value) {
+      localStorage.setItem("cart", JSON.stringify(value));
+    }
+  },
+  { deep: true }
+);
 </script>
 
 <style lang="scss">