feat 搭建架构骨架

src/router/guard.ts

@@ -0,0 +1,16 @@
+import type { Router } from 'vue-router'
+import { storage } from '@/utils/storage'
+
+/** 路由守卫：登录态校验 + document.title */
+export function setupGuard(router: Router): void {
+  router.beforeEach((to) => {
+    if (to.meta.requiresAuth && !storage.get<string>('token')) {
+      return { path: '/login', query: { redirect: to.fullPath } }
+    }
+    return true
+  })
+
+  router.afterEach((to) => {
+    document.title = to.meta.title ? `${to.meta.title} - 虫子智造` : '虫子智造'
+  })
+}