import type { CodexPlanUpdate } from "./codex-protocol.js";
type AgentHistoryMessage = {
    id: string;
    itemId: string;
    threadId: string;
    turnId: string;
    role: "user" | "assistant" | "tool" | "error";
    title?: string;
    text: string;
    detail?: unknown;
    activityItems?: Record<string, string>;
};
export type CodexSupplementalHistoryItem = {
    threadId: string;
    turnId: string;
    itemId: string;
    sequence?: number;
    item: Record<string, unknown>;
};
export type CodexSupplementalHistoryTurn = {
    threadId: string;
    turnId: string;
    turn: Record<string, unknown>;
};
export type CodexSupplementalHistory = {
    items: CodexSupplementalHistoryItem[];
    turns: CodexSupplementalHistoryTurn[];
};
/** 将 Codex 线程转换为列表展示所需的摘要。 */
export declare function summarizeCodexThread(thread: unknown): {
    id: string;
    sessionId: string;
    preview: string;
    name: string | null;
    cwd: string;
    status: string;
    source: unknown;
    threadSource: unknown;
    createdAt: number;
    updatedAt: number;
};
/** 返回已经终结、可由持久化历史作为权威内容的 turn。 */
export declare function settledTurnIds(thread: unknown, supplementalHistory?: CodexSupplementalHistory): string[];
/** 将 Codex turn items 转换为网页聊天历史。 */
export declare function threadMessages(thread: unknown, planUpdates?: CodexPlanUpdate[], supplementalHistory?: CodexSupplementalHistory): AgentHistoryMessage[];
export {};