Graceful Shutdown Registry (utils/cleanupRegistry.ts)

Provides a centralized registry for registering and executing cleanup functions during application termination.

// Source: https://github.com/chauncygu/collection-claude-code-source-code | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
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/**
 * Global registry for cleanup functions that should run during graceful shutdown.
 * This module is separate from gracefulShutdown.ts to avoid circular dependencies.
 */

// Global registry for cleanup functions
const cleanupFunctions = new Set<() => Promise<void>>()

/**
 * Register a cleanup function to run during graceful shutdown.
 * @param cleanupFn - Function to run during cleanup (can be sync or async)
 * @returns Unregister function that removes the cleanup handler
 */
export function registerCleanup(cleanupFn: () => Promise<void>): () => void {
 

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