fix: rename ecosystem config to .cjs for PM2 compatibility

- Rename ecosystem.config.js to ecosystem.config.cjs to resolve ES module issues
- PM2 now successfully starts and manages the remote server process
- Server confirmed running on port 3040 with all endpoints operational

app/remote-server/ecosystem.config.cjs

@@ -2,8 +2,7 @@ module.exports = {
   apps: [
     {
       name: 'mcp-remote-server',
-      script: 'npm',
+      script: 'dist/index.js',
-      args: 'run start:server',
       cwd: __dirname,
       instances: 1,
       autorestart: true,