refactor(ai): optimize AI action initialization and user state handling

src/views/login/index.vue

@@ -63,15 +63,17 @@ const formComponents = {
 
 // 投票通知
 const voteUrl = "https://gitee.com/activity/2025opensource?ident=I6VXEH";
+// 保存通知实例，用于在组件卸载时关闭
+let notificationInstance: ReturnType<typeof ElNotification> | null = null;
 
 // 显示投票通知
 const showVoteNotification = () => {
-  ElNotification({
+  notificationInstance = ElNotification({
     title: "⭐ Gitee 2025 开源评选 · 诚邀您的支持！ 🙏",
     message: `我正在参加 Gitee 2025 最受欢迎的开源软件投票活动，快来给我投票吧！<br/><a href="${voteUrl}" target="_blank" style="color: var(--el-color-primary); text-decoration: none; font-weight: 500;">点击投票 →</a>`,
     type: "success",
     position: "bottom-right",
-    duration: 0, // 不自动关闭
+    duration: 0,
     dangerouslyUseHTMLString: true,
   });
 };
@@ -82,6 +84,14 @@ onMounted(() => {
     showVoteNotification();
   }, 500);
 });
+
+// 组件卸载时关闭通知
+onBeforeUnmount(() => {
+  if (notificationInstance) {
+    notificationInstance.close();
+    notificationInstance = null;
+  }
+});
 </script>
 
 <style lang="scss" scoped>