#!/usr/bin/env node
/**
 * Hook handler for checking update availability at session start
 *
 * This script is called by Claude Code SessionStart hook.
 * It compares the running CLI version against the cached latest version
 * and outputs a systemMessage if an update is available.
 */
/**
 * Main entry point for the update check hook.
 * @param args - Optional configuration arguments
 * @param args.installDir - Explicit install directory override
 */
export declare const main: (args?: {
    installDir?: string | null;
}) => Promise<void>;
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