取消游客模式，强制登录后使用

frontend/src/lib/api.ts

@@ -10,14 +10,14 @@ export interface UserInfo {
   id: string
   username: string
   email?: string
-  role: 'system_admin' | 'admin' | 'user' | 'guest'
+  role: 'system_admin' | 'admin' | 'user'
   status: string
   created_at: string
 }
 
 export interface Role {
   id: number
-  name: 'system_admin' | 'admin' | 'user' | 'guest'
+  name: 'system_admin' | 'admin' | 'user'
   description?: string
   permissions: string[]
   created_at: string
@@ -79,9 +79,6 @@ async function request<T>(
 }
 
 export const api = {
-  publicInfo: () =>
-    request<{ message: string; guest_allowed: boolean }>('/api/public'),
-
   register: (body: { username: string; email?: string; password: string }) =>
     request<AuthResponse>('/api/auth/register', {
       method: 'POST',

frontend/src/lib/auth.ts

@@ -30,13 +30,12 @@ export function clearAuth() {
   localStorage.removeItem('user')
 }
 
-export type RoleName = 'system_admin' | 'admin' | 'user' | 'guest'
+export type RoleName = 'system_admin' | 'admin' | 'user'
 
 const ROLE_RANK: Record<RoleName, number> = {
   system_admin: 3,
   admin: 2,
   user: 1,
-  guest: 0,
 }
 
 export function roleRank(role: RoleName): number {
@@ -51,8 +50,6 @@ export function roleLabel(role: RoleName): string {
       return '管理员'
     case 'user':
       return '用户'
-    case 'guest':
-      return '游客'
   }
 }
 

frontend/src/pages/Dashboard.tsx

@@ -1,16 +1,9 @@
-import { useEffect, useState } from 'react'
-import { LayoutDashboard, Globe, ShieldCheck } from 'lucide-react'
-import { api } from '@/lib/api'
+import { LayoutDashboard, ShieldCheck } from 'lucide-react'
 import { getStoredUser, roleLabel } from '@/lib/auth'
 
 export function Dashboard() {
-  const [publicInfo, setPublicInfo] = useState<{ message: string } | null>(null)
   const user = getStoredUser()
 
-  useEffect(() => {
-    api.publicInfo().then(setPublicInfo).catch(() => null)
-  }, [])
-
   return (
     <div className="space-y-6">
       <div className="flex items-center gap-3">
@@ -19,7 +12,7 @@ export function Dashboard() {
         </div>
         <div>
           <h1 className="text-xl font-bold text-foreground">看板</h1>
-          <p className="text-sm text-secondary">欢迎回来，{user?.username || '游客'}</p>
+          <p className="text-sm text-secondary">欢迎回来，{user?.username || '—'}</p>
         </div>
       </div>
 
@@ -27,14 +20,8 @@ export function Dashboard() {
         <Card
           icon={<ShieldCheck className="h-5 w-5 text-accent" />}
           title="当前身份"
-          value={user ? roleLabel(user.role) : '游客'}
-          desc={user ? `用户：${user.username}` : '未登录，仅可查看公开信息'}
-        />
-        <Card
-          icon={<Globe className="h-5 w-5 text-bear" />}
-          title="公开信息"
-          value="已接入"
-          desc={publicInfo?.message || '加载中…'}
+          value={user ? roleLabel(user.role) : '—'}
+          desc={user ? `用户：${user.username}` : '加载中…'}
         />
       </div>
 
@@ -44,7 +31,6 @@ export function Dashboard() {
           <li><span className="text-accent font-medium">系统管理员</span>：可管理管理员、用户、系统配置</li>
           <li><span className="text-accent font-medium">管理员</span>：可管理普通用户</li>
           <li><span className="text-accent font-medium">用户</span>：可访问业务功能、修改个人资料</li>
-          <li><span className="text-accent font-medium">游客</span>：仅查看公开内容，不可操作</li>
         </ul>
       </div>
     </div>

frontend/src/router.tsx

@@ -10,7 +10,11 @@ export const router = createBrowserRouter([
   { path: '/login', element: <Login /> },
   {
     path: '/',
-    element: <Layout />,
+    element: (
+      <AuthGuard requireAuth>
+        <Layout />
+      </AuthGuard>
+    ),
     children: [
       { index: true, element: <Dashboard /> },
       {
@@ -23,11 +27,7 @@ export const router = createBrowserRouter([
       },
       {
         path: 'profile',
-        element: (
-          <AuthGuard requireAuth>
-            <Profile />
-          </AuthGuard>
-        ),
+        element: <Profile />,
       },
     ],
   },