const main = (config) => {
  // 1. Webshare 落地机配置
  const webshare = {
    name: "🚀 最终落地-Webshare",
    type: "http",
    server: "x.x.x.x",
    port: 6495,
    username: "user",
    password: "password"
  };

  if (!config.proxies || !config["proxy-groups"]) return config;

  // 2. 注入 Webshare 节点
  config.proxies.push(webshare);
  
  const originalProxies = config.proxies.map(p => p.name);

  // ...