用户管理增加余额调账功能

支持后台加减可用余额并写入资金流水与审计，优化操作列按钮样式。

frontend/src/features/admin/api/adminUsers.ts

@@ -13,6 +13,8 @@ export interface AdminUserItem {
   deposit_free_quota_cent: number
   deposit_free_used_cent: number
   deposit_free_remaining_cent: number
+  available_balance_cent: number
+  frozen_balance_cent: number
   status: UserStatus
   order_count: number
   listing_count: number
@@ -22,6 +24,13 @@ export interface AdminUserItem {
   updated_at: string
 }
 
+export interface AdminWalletAdjustPayload {
+  direction: 'in' | 'out'
+  amount_cent: number
+  reason: string
+  reference_no?: string
+}
+
 export interface AdminUserQuery {
   keyword?: string
   status?: '' | UserStatus
@@ -84,3 +93,16 @@ export async function manualAdminUserRealname(
   )
   return data.data
 }
+
+export async function adjustAdminUserWallet(id: number, payload: AdminWalletAdjustPayload) {
+  const { data } = await apiClient.post<ApiResponse<AdminUserItem>>(
+    `/admin/users/${id}/wallet/adjust`,
+    {
+      direction: payload.direction,
+      amount_cent: payload.amount_cent,
+      reason: payload.reason,
+      reference_no: payload.reference_no || undefined,
+    }
+  )
+  return data.data
+}