import { ReactionEngine } from "@xiaozhiclaw/pet-core";
/**
 * Host-side shared ReactionEngine singleton.
 *
 * pet-core moved the original module-level `recentReactions` dedup buffer to a
 * ReactionEngine instance field. The original behaviour was a module singleton
 * shared by both pet-runtime and pet-handler, so the host keeps exactly one
 * shared instance here (seeded with defaultPetRng = Math.random) to preserve the
 * cross-call dedup semantics byte-for-byte.
 */
export declare const petReactionEngine: ReactionEngine;
