/**
 * Title drift detection: one yes/no judge question whether a session's
 * generated title still names its recent conversation, so a
 * `title.refreshAfterPrompts` check regenerates only a title the session has
 * moved away from.
 */
import { type Judge } from "@oh-my-pi/pi-ai";
import type { TitleDriftTurn } from "./messages.js";
/** `true` when `title` no longer fits `recent`, `false` when it does, `undefined` when no judge answered. */
export declare function classifyTitleDrift(judge: Judge, title: string, recent: TitleDriftTurn[], signal?: AbortSignal): Promise<boolean | undefined>;