feat: add CentOS7 single executable build

lib/ccweb-mcp-server.js

@@ -306,9 +306,7 @@ async function handleRequest(message) {
   }
 }
 
-module.exports = { TOOLS };
-
-if (require.main === module) {
+function runStdioServer() {
   let lineBuffer = '';
 
   process.stdin.setEncoding('utf8');
@@ -334,3 +332,9 @@ if (require.main === module) {
     process.exit(0);
   });
 }
+
+module.exports = { TOOLS, runStdioServer };
+
+if (require.main === module) {
+  runStdioServer();
+}