feat: 实现清理失效账号安全方案（包含预览、SSE测试、安全删除以及本地标记清空）

frontend/src/api/index.ts

@@ -330,6 +330,19 @@ export interface OrganizeGroupsItem {
   message: string
 }
 
+export interface CleanupInvalidAccountsItem {
+  account_id: string
+  account_name: string | null
+  upstream_key_id: number | null
+  upstream_name: string | null
+  source_group_name: string | null
+  reason: string
+  test_status: string
+  cleanup_allowed: boolean
+  action_status: string | null
+  message: string
+}
+
 export const websitesApi = {
   list: () => api.get<WebsiteData[]>('/api/websites'),
   create: (data: WebsiteForm) => api.post<WebsiteData>('/api/websites', data),
@@ -357,6 +370,10 @@ export const websitesApi = {
   }) => api.post<{ success: boolean; message: string; items: ImportAccountItem[] }>(`/api/websites/${id}/accounts/import-upstream-keys`, data),
   organizeGroups: (id: number) =>
     api.post<{ success: boolean; message: string; items: OrganizeGroupsItem[] }>(`/api/websites/${id}/groups/organize`),
+  cleanupPreview: (id: number) =>
+    api.post<{ success: boolean; message: string; items: CleanupInvalidAccountsItem[] }>(`/api/websites/${id}/accounts/cleanup-invalid/preview`),
+  cleanupExecute: (id: number) =>
+    api.post<{ success: boolean; message: string; items: CleanupInvalidAccountsItem[] }>(`/api/websites/${id}/accounts/cleanup-invalid/execute`),
   listBindings: () => api.get<GroupBindingData[]>('/api/group-bindings'),
   createBinding: (data: GroupBindingForm) => api.post<GroupBindingData>('/api/group-bindings', data),
   updateBinding: (id: number, data: Partial<GroupBindingForm>) => api.put<GroupBindingData>(`/api/group-bindings/${id}`, data),