第 4 阶段：订单、交接与账务--ok

frontend/src/api/wallet.ts

@@ -0,0 +1,39 @@
+import { apiClient } from './client'
+
+export interface WalletAccount {
+  user_id: number
+  available_balance: number
+  frozen_balance: number
+  status: string
+}
+
+export interface WalletLedger {
+  id: number
+  ledger_no: string
+  user_id: number
+  order_id?: number
+  direction: string
+  amount: number
+  balance_after: number
+  balance_type: string
+  biz_type: string
+  biz_no: string
+  remark: string
+  created_at: string
+}
+
+interface ApiResponse<T> {
+  code: string
+  message: string
+  data: T
+}
+
+export async function fetchWalletBalance() {
+  const { data } = await apiClient.get<ApiResponse<WalletAccount>>('/wallet/balance')
+  return data.data
+}
+
+export async function fetchWalletLedger() {
+  const { data } = await apiClient.get<ApiResponse<{ items: WalletLedger[] }>>('/wallet/ledger')
+  return data.data.items
+}