fix(web): 按权限隐藏管理工作台入口

基于 /api/v1/me 返回的当前用户角色控制主导航，仅向具备 power 或 manager 权限的 operator、manager、admin 展示管理工作台。所有已登录页面统一加载当前用户身份，避免停留首页时无法正确判断权限。\n\n新增角色映射与导航渲染回归测试。已验证前端 152 项测试、前端构建、pnpm lint 和 git diff --cached --check。

apps/web/src/App.tsx

@@ -117,6 +117,7 @@ import {
 } from './api';
 import type { ConsoleData, StatItem } from './app-state';
 import { AppShell } from './components/layout/AppShell';
+import { canAccessAdminWorkspace } from './auth-permissions';
 import { LoginRequiredPanel } from './components/LoginRequiredPanel';
 import { OIDCCallbackNotice } from './components/OIDCCallbackNotice';
 import { useCatalogOperations } from './hooks/useCatalogOperations';
@@ -483,7 +484,8 @@ export function App() {
       loadedDataKeysRef.current.delete('walletTransactions');
       loadingDataKeysRef.current.delete('walletTransactions');
     }
-    await ensureData(dataKeysForRoute(activePage, adminSection, workspaceSection, Boolean(nextToken)), nextToken, force);
+    const routeKeys = dataKeysForRoute(activePage, adminSection, workspaceSection, Boolean(nextToken));
+    await ensureData(nextToken ? ['currentUser', ...routeKeys] : routeKeys, nextToken, force);
   }
 
   async function ensureData(keys: DataKey[], nextToken = token, force = false) {
@@ -1410,6 +1412,7 @@ export function App() {
   return (
     <AppShell
       activePage={activePage}
+      canAccessAdmin={canAccessAdminWorkspace(currentUser)}
       health={health}
       isAuthenticated={isAuthenticated}
       state={state}

apps/web/src/auth-permissions.test.ts

@@ -0,0 +1,21 @@
+import { describe, expect, it } from 'vitest';
+import type { AuthUser } from '@easyai-ai-gateway/contracts';
+import { canAccessAdminWorkspace } from './auth-permissions';
+
+function userWithRoles(role?: string[]): AuthUser {
+  return { sub: 'user-1', username: 'test-user', role };
+}
+
+describe('canAccessAdminWorkspace', () => {
+  it.each(['admin', 'manager', 'operator'])('allows the %s role', (role) => {
+    expect(canAccessAdminWorkspace(userWithRoles([role]))).toBe(true);
+  });
+
+  it.each([undefined, [], ['user'], ['creator']])('rejects non-admin roles: %j', (roles) => {
+    expect(canAccessAdminWorkspace(userWithRoles(roles))).toBe(false);
+  });
+
+  it('rejects an unresolved user', () => {
+    expect(canAccessAdminWorkspace(null)).toBe(false);
+  });
+});

apps/web/src/auth-permissions.ts

@@ -0,0 +1,9 @@
+import type { AuthUser } from '@easyai-ai-gateway/contracts';
+
+// Keep this aligned with backend roles that grant PermissionPower for read-only
+// admin APIs; manager/admin additionally receive write access.
+const adminWorkspaceRoles = new Set(['admin', 'manager', 'operator']);
+
+export function canAccessAdminWorkspace(user: AuthUser | null | undefined) {
+  return user?.role?.some((role) => adminWorkspaceRoles.has(role)) ?? false;
+}

apps/web/src/components/layout/AppShell.test.tsx

@@ -0,0 +1,32 @@
+import { renderToStaticMarkup } from 'react-dom/server';
+import { describe, expect, it, vi } from 'vitest';
+import { AppShell } from './AppShell';
+
+function renderShell(canAccessAdmin: boolean) {
+  const handler = vi.fn();
+  return renderToStaticMarkup(
+    <AppShell
+      activePage="home"
+      canAccessAdmin={canAccessAdmin}
+      health={null}
+      isAuthenticated
+      state="ready"
+      onLogin={handler}
+      onNavigate={handler}
+      onRefresh={handler}
+      onSignOut={handler}
+    >
+      <div>content</div>
+    </AppShell>,
+  );
+}
+
+describe('AppShell', () => {
+  it('hides the admin workspace navigation without admin access', () => {
+    expect(renderShell(false)).not.toContain('管理工作台');
+  });
+
+  it('shows the admin workspace navigation with admin access', () => {
+    expect(renderShell(true)).toContain('管理工作台');
+  });
+});

apps/web/src/components/layout/AppShell.tsx

@@ -15,6 +15,7 @@ const navItems: Array<{ key: PageKey; label: string; icon: ReactNode }> = [
 
 export function AppShell(props: {
   activePage: PageKey;
+  canAccessAdmin: boolean;
   children: ReactNode;
   health: HealthResponse | null;
   isAuthenticated: boolean;
@@ -35,7 +36,7 @@ export function AppShell(props: {
           </div>
         </div>
         <nav className="topNav" aria-label="主导航">
-          {navItems.map((item) => (
+          {navItems.filter((item) => item.key !== 'admin' || props.canAccessAdmin).map((item) => (
             <button
               type="button"
               className="topNavItem"