实现 P2 管理端：租户生命周期、套餐与运维真实 API

- 租户开通自动创建管理员账号与网页渠道，支持暂停/恢复/编辑
- 运营概览返回月收入估算、套餐分布与真实操作日志
- 套餐上下架/新建，公告与操作日志前后端打通
- 补充管理端生命周期集成测试

web/src/services/api.ts

@@ -42,8 +42,35 @@ export interface Channel {
 }
 
 export interface Tenant {
-  id: number; name: string; plan_id: number; seat_count: number; expire_at: string; status: string
+  id: number; name: string; plan_id: number | null; seat_count: number; expire_at: string; status: string
   contact_name: string; contact_phone: string; contact_email: string
+  created_at?: string
+}
+
+export interface Plan {
+  id: number; name: string; price_monthly: number; seats: number; storage_days: number
+  kb_limit: number; features: string; status: string
+}
+
+export interface OperationLog {
+  id: number; operator_id: number; action: string; detail: string
+  target_type?: string; target_id?: number; ip?: string; created_at: string
+}
+
+export interface Announcement {
+  id: number; title: string; content: string; status: string
+  created_at: string; updated_at?: string
+}
+
+export interface AdminStats {
+  tenant_total: number
+  active_tenant: number
+  suspended_tenant?: number
+  expiring_tenant?: number
+  monthly_income: number
+  system_uptime: string
+  plan_distribution?: { plan_id: number; name: string; count: number }[]
+  recent_logs?: OperationLog[]
 }
 
 export interface StatisticsKpis {
@@ -123,11 +150,37 @@ export const getChannelDistribution = () => get<{ type: string; value: number }[
 export const getAgentPerformance = () => get<{ name: string; conversations: number; avg_response: number; satisfaction: number }[]>('/statistics/performance')
 
 // Admin
-export const getTenants = (params?: { search?: string; status?: string; page?: number }) => {
+export const getTenants = (params?: { search?: string; status?: string; page?: number; pageSize?: number }) => {
   const search = new URLSearchParams()
   if (params?.search) search.set('search', params.search)
   if (params?.status) search.set('status', params.status)
   if (params?.page) search.set('page', String(params.page || 1))
+  if (params?.pageSize) search.set('pageSize', String(params.pageSize))
   return getList<Tenant>(`/admin/tenants?${search}`)
 }
-export const getAdminStats = () => get('/admin/stats')
+export const getAdminStats = () => get<AdminStats>('/admin/stats')
+export const createTenant = (data: {
+  name: string; contact_name: string; contact_phone: string; contact_email?: string
+  plan_id?: number; seat_count?: number; duration_months?: number
+  admin_username?: string; admin_password?: string
+}) => post<{ tenant: Tenant; admin_username: string; admin_password: string }>('/admin/tenants', data)
+export const updateTenant = (id: number, data: Partial<Tenant>) => put<Tenant>(`/admin/tenants/${id}`, data)
+export const suspendTenant = (id: number) => post(`/admin/tenants/${id}/suspend`, {})
+export const resumeTenant = (id: number) => post(`/admin/tenants/${id}/resume`, {})
+
+export const getPlans = () => get<Plan[]>('/admin/plans')
+export const createPlan = (data: Partial<Plan>) => post<Plan>('/admin/plans', data)
+export const updatePlan = (id: number, data: Partial<Plan>) => put<Plan>(`/admin/plans/${id}`, data)
+
+export const getAdminLogs = (params?: { page?: number; pageSize?: number }) => {
+  const search = new URLSearchParams()
+  if (params?.page) search.set('page', String(params.page || 1))
+  if (params?.pageSize) search.set('pageSize', String(params.pageSize || 10))
+  return getList<OperationLog>(`/admin/logs?${search}`)
+}
+export const getAnnouncements = () => get<Announcement[]>('/admin/announcements')
+export const createAnnouncement = (data: { title: string; content: string; status?: string }) =>
+  post<Announcement>('/admin/announcements', data)
+export const updateAnnouncement = (id: number, data: Partial<Announcement>) =>
+  put<Announcement>(`/admin/announcements/${id}`, data)
+export const deleteAnnouncement = (id: number) => del(`/admin/announcements/${id}`)