/**
 * Tool-outcome-driven thinking escalation.
 *
 * Raise the thinking level for the turn(s) following a tool error, then restore
 * it. On by default; configured via `thinking_escalation` in hoo-config.json.
 *
 * Timing model (per agent run):
 *   turn N: assistant calls tools → tool_execution_end(s) → turn_end
 *           a failing tool here escalates the level used by turn N+1
 *   turn N+1: runs escalated; its turn_end decrements the cooldown and, at zero,
 *             restores the captured baseline so turn N+2 is fast again
 *
 * `escalatedThisTurn` ensures the error turn's own `turn_end` does not consume a
 * cooldown step — the cooldown counts the turns *after* the failure.
 */
import type { ExtensionAPI } from "../../core/extensions/types.js";
export declare function setupThinkingEscalation(hoo: ExtensionAPI): void;
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