fixed some issues, testing shutdown

libs/shutdown/src/shutdown.ts

@@ -125,6 +125,7 @@ export class Shutdown {
     }
 
     // Don't call process.exit here - let the caller decide
+
     return result;
   }
 
@@ -171,7 +172,8 @@ export class Shutdown {
       process.platform === 'win32' ? ['SIGINT', 'SIGTERM'] : ['SIGTERM', 'SIGINT', 'SIGUSR2'];
 
     signals.forEach(signal => {
-      process.once(signal, () => {  // Changed from 'on' to 'once' to prevent multiple handlers
+      process.once(signal, () => {
+        // Changed from 'on' to 'once' to prevent multiple handlers
         this.shutdownAndExit(signal).catch(() => {
           process.exit(1);
         });