/**
 * Version management module for auto-update functionality.
 * Reads agent version and provides semver comparison utilities.
 */
/**
 * Get the current agent version from package.json.
 * Tries multiple paths to support both dev and production (bundled in CLI).
 */
export declare function getAgentVersion(): string;
/**
 * Compare two semver versions.
 * @returns positive if a > b, negative if a < b, 0 if equal
 */
export declare function compareSemver(a: string, b: string): number;
/**
 * Check if the agent needs to update to match the web version.
 * Only returns true if web version is strictly greater (never downgrade).
 */
export declare function needsUpdate(agentVersion: string, webVersion: string): boolean;
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