fix: exit on EADDRINUSE instead of reusing port — prevents ghost instances with no tunnels

Made-with: Cursor

native-host/connect-proxy.js

@@ -125,11 +125,8 @@ function start(port, upstreamPort, callback) {
 
   server.on('error', (err) => {
     if (err.code === 'EADDRINUSE') {
-      stderrLog('port ' + connectPort + ' already in use — previous instance still running, reusing port');
-      listenPort = connectPort;
-      server.removeAllListeners('error');
-      server.on('error', () => {});
-      done(null);
+      stderrLog('port ' + connectPort + ' already in use — another instance is running, exiting');
+      process.exit(0);
       return;
     }
     stderrLog('server error:', err.message);