feat: add ENABLE_MCP env var to toggle MCP feature globally and in Docker

app/page.tsx

@@ -1,14 +1,10 @@
 import { Analytics } from "@vercel/analytics/react";
 import { Home } from "./components/home";
 import { getServerSideConfig } from "./config/server";
-import { initializeMcpSystem } from "./mcp/actions";
 
 const serverConfig = getServerSideConfig();
 
 export default async function App() {
-  // 初始化 MCP 系统
-  await initializeMcpSystem();
-
   return (
     <>
       <Home />