/**
 * 模块3: 提示词增强（多 Agent 隔离版）
 *
 * before_prompt_build hook 签名:
 *   event: { prompt, messages }
 *   ctx:   { runId, agentId, sessionKey, sessionId, workspaceDir, messageProvider, trigger, channelId }
 */
import type { OpenClawPluginApi } from "openclaw/plugin-sdk";
import { type PromptConfig } from "../types.js";
export declare function registerPromptEnhancer(api: OpenClawPluginApi, config?: PromptConfig): void;