/**
 * Hooks MCP Tools — pre-task and post-task.
 * Extracted from hooks-routing.ts.
 */
import type { MCPTool } from './types.js';
export declare const hooksPreTask: MCPTool;
/** Provenance ref for the causal edge this hook writes.
 *
 *  Every post-task hook used to ingest under the bare string
 *  `hooks-post-task`, so a graph rollback aimed at one bad task withdrew the
 *  causal record of every task the hook had ever seen, and there was no ref
 *  that named a single one. Keying on the task id makes the ref unique per
 *  operation and stable for it: re-running post-task for the same task
 *  re-asserts the same support rather than minting a second one. */
export declare function postTaskOriginRef(taskId: string): string;
export declare const hooksPostTask: MCPTool;
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