feat: add system test validation and router admin controls

src/App.tsx

@@ -10,6 +10,7 @@ import { MindSpacePage } from './admin/pages/MindSpacePage';
 import { MemoryV2Page } from './admin/pages/MemoryV2Page';
 import { ProvidersPage } from './admin/pages/ProvidersPage';
 import { SkillsPage } from './admin/pages/SkillsPage';
+import { SystemTestsPage } from './admin/pages/SystemTestsPage';
 import { UserDetailPage } from './admin/pages/UserDetailPage';
 import { UsersPage } from './admin/pages/UsersPage';
 import { WechatPage } from './admin/pages/WechatPage';
@@ -114,6 +115,7 @@ function AdminApp({ user, onLogout }: { user: PortalUser; onLogout: () => void }
           <Route path="billing/*" element={<BillingPage />} />
           <Route path="capabilities" element={<CapabilitiesPage />} />
           <Route path="skills" element={<SkillsPage />} />
+          <Route path="system-tests" element={<SystemTestsPage />} />
           <Route path="policies" element={<PoliciesPage />} />
           <Route path="mindspace" element={<MindSpacePage />} />
           <Route path="memory-v2" element={<MemoryV2Page />} />
@@ -158,6 +160,7 @@ function loginRedirectPath(pathname: string, role: string | undefined) {
     || pathname.startsWith('/billing')
     || pathname.startsWith('/capabilities')
     || pathname.startsWith('/skills')
+    || pathname.startsWith('/system-tests')
     || pathname.startsWith('/policies')
     || pathname.startsWith('/mindspace')
     || pathname.startsWith('/memory-v2')