fix(admin): run destructive purges as cleanup tasks

frontend/src/api/admin.ts

@@ -253,7 +253,7 @@ export interface CleanupRunListResponse {
   items: CleanupRunRecord[]
 }
 
-export interface RequestBodyCleanupTaskResponse {
+export interface CleanupTaskResponse {
   message: string
   task: CleanupRunRecord
 }
@@ -1073,16 +1073,25 @@ export const adminApi = {
   },
 
   // 数据清空
-  purgeConfig: () => purge<{ message: string; deleted: Record<string, number> }>('config'),
-  purgeUsers: () => purge<{ message: string; deleted: Record<string, number> }>('users'),
-  purgeUsage: () => purge<{ message: string; deleted: Record<string, number> }>('usage'),
-  purgeAuditLogs: () => purge<{ message: string; deleted: Record<string, number> }>('audit-logs'),
-  purgeRequestBodies: () => purge<{ message: string; cleaned: Record<string, number> }>('request-bodies'),
-  async purgeRequestBodiesAsync(): Promise<RequestBodyCleanupTaskResponse> {
-    const response = await apiClient.post<RequestBodyCleanupTaskResponse>('/api/admin/system/purge/request-bodies/task')
+  purgeConfig: () => purge<CleanupTaskResponse>('config'),
+  purgeUsers: () => purge<CleanupTaskResponse>('users'),
+  async purgeUsage(): Promise<CleanupTaskResponse> {
+    const response = await apiClient.post<CleanupTaskResponse>('/api/admin/system/purge/usage')
+    return response.data
+  },
+  async purgeAuditLogs(): Promise<CleanupTaskResponse> {
+    const response = await apiClient.post<CleanupTaskResponse>('/api/admin/system/purge/audit-logs')
+    return response.data
+  },
+  purgeRequestBodies: () => purge<CleanupTaskResponse>('request-bodies'),
+  async purgeRequestBodiesAsync(): Promise<CleanupTaskResponse> {
+    const response = await apiClient.post<CleanupTaskResponse>('/api/admin/system/purge/request-bodies/task')
+    return response.data
+  },
+  async purgeStats(): Promise<CleanupTaskResponse> {
+    const response = await apiClient.post<CleanupTaskResponse>('/api/admin/system/purge/stats')
     return response.data
   },
-  purgeStats: () => purge<{ message: string }>('stats'),
   async getCleanupRuns(): Promise<CleanupRunListResponse> {
     const response = await apiClient.get<CleanupRunListResponse>('/api/admin/system/cleanup/runs')
     return response.data

frontend/src/views/admin/system-settings/CleanupPolicySection.vue

@@ -432,6 +432,11 @@ function cleanupKindLabel(kind: string): string {
     audit_cleanup: '审计日志',
     request_candidate_cleanup: '候选记录',
     request_bodies: '请求体',
+    config_purge: '配置清空',
+    users_purge: '用户清空',
+    usage_purge: '使用记录清空',
+    audit_logs_purge: '审计日志清空',
+    stats_purge: '统计聚合清空',
     system_cleanup: '系统清理',
   }
   return labels[kind] || kind

frontend/src/views/admin/system-settings/DataManagementSection.vue

@@ -62,37 +62,37 @@ const purgeItems: PurgeItem[] = [
   {
     key: 'config',
     title: '清空配置',
-    description: '删除所有提供商、端点、API Key 和模型配置',
+    description: '后台删除所有提供商、端点、API Key 和模型配置',
     buttonText: '清空配置',
     icon: markRaw(Settings),
-    confirmMessage: '确定要清空所有提供商配置吗？这将删除所有提供商、端点、API Key 和模型配置，操作不可逆。',
+    confirmMessage: '确定要后台清空所有提供商配置吗？这将删除所有提供商、端点、API Key 和模型配置，操作不可逆。',
     action: () => adminApi.purgeConfig(),
   },
   {
     key: 'users',
     title: '清空用户',
-    description: '删除所有非管理员用户及其 API Keys',
+    description: '后台删除所有非管理员用户及其 API Keys',
     buttonText: '清空用户',
     icon: markRaw(Users),
-    confirmMessage: '确定要清空所有非管理员用户吗？管理员账户将被保留，操作不可逆。',
+    confirmMessage: '确定要后台清空所有非管理员用户吗？管理员账户将被保留，操作不可逆。',
     action: () => adminApi.purgeUsers(),
   },
   {
     key: 'usage',
     title: '清空使用记录',
-    description: '删除全部使用记录和请求候选记录',
+    description: '后台清空全部使用记录和请求候选记录',
     buttonText: '清空记录',
     icon: markRaw(BarChart3),
-    confirmMessage: '确定要清空全部使用记录吗？所有请求统计数据将被永久删除，操作不可逆。',
+    confirmMessage: '确定要后台清空全部使用记录吗？所有请求统计数据将被永久删除，操作不可逆。',
     action: () => adminApi.purgeUsage(),
   },
   {
     key: 'audit-logs',
     title: '清空审计日志',
-    description: '删除全部审计日志记录',
+    description: '后台删除全部审计日志记录',
     buttonText: '清空日志',
     icon: markRaw(Shield),
-    confirmMessage: '确定要清空全部审计日志吗？所有安全事件记录将被永久删除，操作不可逆。',
+    confirmMessage: '确定要后台清空全部审计日志吗？所有安全事件记录将被永久删除，操作不可逆。',
     action: () => adminApi.purgeAuditLogs(),
   },
   {
@@ -107,10 +107,10 @@ const purgeItems: PurgeItem[] = [
   {
     key: 'stats',
     title: '清空统计聚合',
-    description: '删除统计聚合数据，保留原始使用记录；统计可从原始使用记录重新构建',
+    description: '后台删除统计聚合数据并重建，保留原始使用记录',
     buttonText: '清空统计聚合',
     icon: markRaw(PieChart),
-    confirmMessage: '确定要清空全部统计聚合数据吗？原始使用记录会保留，仪表盘和累计统计可从原始记录重新构建。',
+    confirmMessage: '确定要后台清空全部统计聚合数据吗？原始使用记录会保留，仪表盘和累计统计会从原始记录重新构建。',
     action: () => adminApi.purgeStats(),
   },
 ]