增强 SSH/SFTP 稳定性并完善安全校验与前端交互

frontend/src/main.ts

@@ -1,5 +1,6 @@
 import { createApp } from 'vue'
 import { createPinia } from 'pinia'
+import Toast from 'vue-toast-notification'
 import App from './App.vue'
 import router from './router'
 import './style.css'
@@ -7,4 +8,9 @@ import './style.css'
 const app = createApp(App)
 app.use(createPinia())
 app.use(router)
+app.use(Toast, {
+  position: 'top-right',
+  duration: 3000,
+  dismissible: true,
+})
 app.mount('#app')