fixed up qm tasks and shutdown sequence

libs/shutdown/src/index.ts

@@ -70,6 +70,15 @@ export function isShuttingDown(): boolean {
   return globalInstance?.isShutdownInProgress() || false;
 }
 
+/**
+ * Check if shutdown signal was received (for quick checks in running jobs)
+ */
+export function isShutdownSignalReceived(): boolean {
+  const globalFlag = globalThis.__SHUTDOWN_SIGNAL_RECEIVED__ || false;
+  const instanceFlag = globalInstance?.isShutdownSignalReceived() || false;
+  return globalFlag || instanceFlag;
+}
+
 /**
  * Get the number of registered shutdown callbacks
  */