fixed priority shutdown

libs/shutdown/src/index.ts

@@ -9,7 +9,7 @@ import type { ShutdownResult } from './types';
 
 // Core shutdown classes and types
 export { Shutdown } from './shutdown';
-export type { ShutdownCallback, ShutdownOptions, ShutdownResult } from './types';
+export type { ShutdownCallback, ShutdownOptions, ShutdownResult, PrioritizedShutdownCallback } from './types';
 
 // Global singleton instance
 let globalInstance: Shutdown | null = null;
@@ -31,8 +31,29 @@ function getGlobalInstance(): Shutdown {
 /**
  * Register a cleanup callback that will be executed during shutdown
  */
-export function onShutdown(callback: () => Promise<void> | void): void {
-  getGlobalInstance().onShutdown(callback);
+export function onShutdown(callback: () => Promise<void> | void, priority?: number, name?: string): void {
+  getGlobalInstance().onShutdown(callback, priority, name);
+}
+
+/**
+ * Register a high priority shutdown callback (for queues, critical services)
+ */
+export function onShutdownHigh(callback: () => Promise<void> | void, name?: string): void {
+  getGlobalInstance().onShutdownHigh(callback, name);
+}
+
+/**
+ * Register a medium priority shutdown callback (for databases, connections)
+ */
+export function onShutdownMedium(callback: () => Promise<void> | void, name?: string): void {
+  getGlobalInstance().onShutdownMedium(callback, name);
+}
+
+/**
+ * Register a low priority shutdown callback (for loggers, cleanup)
+ */
+export function onShutdownLow(callback: () => Promise<void> | void, name?: string): void {
+  getGlobalInstance().onShutdownLow(callback, name);
 }
 
 /**