POST /api/private/v1/codes/redeem

兑换卡密，为指定客户激活对应套餐。

请求体

{
  "code": "ABC-DEF-GHI",
  "customer": "customer_001",
  "autoCreate": false
}

成功响应

与 POST /api/private/v1/redemptions 相同：

{
  "ok": true,
  "requestId": "req_123",
  "data": {
    "customer": {
      "id": 1,
      "username": "customer_001",
      "created": false
    },
    "subscriptions": []
  }
}

返回结构与 POST /api/private/v1/redemptions 相同。