/**
 * Session-delegation-query tool — progressive-disclosure read-only query
 * of delegation history from session-tracker data.
 *
 * Two actions:
 * - `list`: Paginated delegation summaries from hierarchy-manifest.json
 * - `get`: Full delegation detail drill-down from child .json files via resolveSessionFile()
 *
 * Reads exclusively from session-tracker files (hierarchy-manifest.json + child .json).
 * Does NOT import from delegation-persistence.ts, DelegationManager, or any in-memory
 * delegation state (REQ-P41E-03).
 *
 * @module tools/session/session-delegation-query
 */
import { tool } from "@opencode-ai/plugin/tool";
export declare function createSessionDelegationQueryTool(projectRoot: string): ReturnType<typeof tool>;
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