export interface UpdateInfo {
    currentVersion: string;
    latestVersion: string;
    hasUpdate: boolean;
    publishedAt?: string;
    features: string[];
    fixes: string[];
    releaseNotes?: string;
}
export declare const CURRENT_VERSION = "1.3.0";
/**
 * Compares two semver strings (e.g. "1.0.2" vs "1.0.3").
 * Returns true if remoteVersion is strictly greater than localVersion.
 */
export declare function isNewerVersion(localVersion: string, remoteVersion: string): boolean;
/**
 * Queries the npm registry for the latest published anilink-tui version.
 * Includes a strict 2.5s timeout so it never stalls startup if offline.
 */
export declare function checkForUpdates(currentVersion?: string): Promise<UpdateInfo | null>;
/**
 * Runs `npm install -g anilink-tui@latest` in the background to update the CLI tool.
 */
export declare function executeCliUpdate(): Promise<{
    success: boolean;
    output: string;
}>;