refactor(api/client): 优化添加客户端接口

- 在请求体中增加 uuid 参数
- 如果请求体中提供了 uuid，则使用该值，否则生成新的 UUID
- 优化 email 的生成逻辑，使用 UUID 的第一部分作为用户名

api/client/add.js

@@ -4,7 +4,7 @@ const dayjs = require("dayjs");
 const getCookie = require("../../auth/3xuiLogin");
 
 module.exports = async (ctx) => {
-  let { id = 4, limitIp, expiryTime = 0, enable = !0, totalGB = 1, subId = "2rv0gb458kbfl532", email } = ctx.request.body;
+  let { id = 4, limitIp, expiryTime = 0, enable = !0, totalGB = 1, subId = "2rv0gb458kbfl532", email, uuid } = ctx.request.body;
   if (!ctx.state.cookie) {
     ctx.state.cookie = await getCookie();
     ins.interceptors.request.use((config) => {
@@ -14,7 +14,7 @@ module.exports = async (ctx) => {
   }
   const inbound = await ins.get(`/panel/api/inbounds/get/${id}`);
   if (!inbound?.success) return (ctx.body = { code: "1", msg: "获取节点失败" });
-  const uuid = randomUUID();
+  uuid = uuid || randomUUID();
   email = email || uuid.split("-")[0];
   if (expiryTime != 0) {
     expiryTime = dayjs(expiryTime, "YYYY-MM-DD HH:mm:ss").valueOf();