finished shutdown lib

libs/shutdown/README.md

@@ -1,6 +1,6 @@
 # @stock-bot/shutdown
 
-Graceful shutdown management library for Node.js applications in the Stock Bot platform.
+Shutdown management library for Node.js applications in the Stock Bot platform.
 
 ## Features
 
@@ -9,8 +9,8 @@ Graceful shutdown management library for Node.js applications in the Stock Bot p
 - ✅ **Multiple Callbacks** - Register multiple cleanup functions
 - ✅ **Timeout Protection** - Configurable shutdown timeout
 - ✅ **Error Handling** - Failed callbacks don't block shutdown
-- ✅ **Debug Logging** - Optional detailed logging
 - ✅ **TypeScript Support** - Full type definitions
+- ✅ **Zero Dependencies** - Lightweight and efficient
 
 ## Installation
 
@@ -85,12 +85,11 @@ await shutdownAndExit('manual', 0);
 #### Manual Instance Management
 
 ```typescript
-import { GracefulShutdown } from '@stock-bot/shutdown';
+import { Shutdown } from '@stock-bot/shutdown';
 
-const shutdown = new GracefulShutdown({
+const shutdown = new Shutdown({
   timeout: 20000,
-  autoRegister: true,
-  debug: true
+  autoRegister: true
 });
 
 shutdown.onShutdown(async () => {
@@ -107,7 +106,6 @@ const result = await shutdown.shutdown('manual');
 interface ShutdownOptions {
   timeout?: number;        // Timeout in ms (default: 30000)
   autoRegister?: boolean;  // Auto-register signals (default: true)
-  debug?: boolean;         // Enable debug logging (default: false)
 }
 ```
 
@@ -150,9 +148,7 @@ onShutdown(async () => {
 ### Worker Process
 
 ```typescript
-import { onShutdown, setShutdownDebug } from '@stock-bot/shutdown';
-
-setShutdownDebug(true); // Enable debug logging
+import { onShutdown } from '@stock-bot/shutdown';
 
 let isRunning = true;