feat(auth): 添加用户认证模块与登录页面

src/plugins/router-guard/router-permission-guard.ts

@@ -0,0 +1,28 @@
+import type { Router } from 'vue-router';
+
+export function createGuard(router: Router) {
+  router.beforeEach(async (to /* , from */) => {
+    const userStore = useAuthStore();
+
+    if (to.name === 'Login') {
+      userStore.clearToken('User navigated to login page');
+    }
+
+    if (to.meta.ignoreAuth) {
+      return true;
+    }
+
+    if (!userStore.isLoggedIn) {
+      console.debug('🔑 [permission-guard] 用户未登录，重定向到登录页');
+      return { name: 'Login' };
+    }
+  });
+
+  router.beforeResolve(async (/* to, from */) => {
+    const userStore = useAuthStore();
+    if (userStore.isLoggedIn && !userStore.userInfo) {
+      console.debug('🔑 [permission-guard] 用户信息不存在，尝试获取用户信息');
+      await userStore.fetchUserInfo();
+    }
+  });
+}