/**
 * /v1/skill-stats API endpoint — skill injection observability.
 * GET /v1/skill-stats — returns injection statistics (hit rate, top skills, timing)
 * DELETE /v1/skill-stats — reset all stats
 */
import type { IncomingMessage, ServerResponse } from 'node:http';
/**
 * Handle /v1/skill-stats requests.
 */
export declare function handleSkillStats(req: IncomingMessage, res: ServerResponse): Promise<void>;
