fix(api/client): 修复添加客户端时的总流量计算和数据获取问题

- 将 totalGB 转换为字节，以确保正确的流量限制
- 修正 inbound 数据获取路径，提高代码的健壮性

api/client/add.js

@@ -5,7 +5,7 @@ const getCookie = require("../../auth/3xuiLogin");
 const { log } = require("console");
 
 module.exports = async (ctx) => {
-  let { id = 4, limitIp, expiryTime, enable = !0, totalGB = 1, subId = "2rv0gb458kbfl532" } = ctx.request.body;
+  let { id = 4, limitIp, expiryTime = 0, enable = !0, totalGB = 1, subId = "2rv0gb458kbfl532" } = ctx.request.body;
   if (!ctx.state.cookie) {
     ctx.state.cookie = await getCookie();
     ins.interceptors.request.use((config) => {
@@ -17,11 +17,14 @@ module.exports = async (ctx) => {
   if (!inbound?.success) return (ctx.body = { code: "1", msg: "获取节点失败" });
   const uuid = randomUUID(),
     email = uuid.split("-")[0];
-  expiryTime = dayjs(expiryTime, "YYYY-MM-DD HH:mm:ss").valueOf();
+  if (expiryTime > 0) {
+    expiryTime = dayjs(expiryTime, "YYYY-MM-DD HH:mm:ss").valueOf();
+  }
+  totalGB = totalGB * 1024 * 1024 * 1024;
   const settings = { clients: [{ id: uuid, flow: "", email, limitIp, enable, tgId: "", subId, reset: 0, totalGB, expiryTime }] };
   const result = await ins.post("/panel/api/inbounds/addClient", { id, settings: JSON.stringify(settings) });
   if (result?.success) {
-    const { remark, port, protocol, streamSettings = "{}" } = inbound.data?.obj || {};
+    const { remark, port, protocol, streamSettings = "{}" } = inbound.obj || {};
     const {
       network = "ws",
       security = "none",