Phase C4: 模型连接测试增强 - 多模态测试+批量测试+暗色主题修复

frontend/src/api/index.ts

@@ -309,6 +309,7 @@ export const adminAPI = {
   setDefaultModel: (id: string) => put<any>(`/admin/models/${id}/set-default`),
   // Phase 2: Enhanced model management
   testModelConnection: (id: string) => post<any>(`/admin/models/${id}/test-connection`),
+  testAllModels: () => post<any>('/admin/models/test-all'),
   fetchProviderModels: (id: string) => post<any>(`/admin/models/providers/${id}/fetch-models`),
   createAdminModel: (data: any) => post<any>('/admin/models/', data),
   updateAdminModel: (id: string, data: any) => put<any>(`/admin/models/${id}`, data),