/**
 * ConversationManager — 对话管理器
 *
 * 完整的对话生命周期管理：
 * 1. 创建/切换/删除对话
 * 2. 消息持久化（JSON）
 * 3. 对话搜索（按内容/时间/标签）
 * 4. 导出（JSON/Markdown/TXT）
 * 5. 消息编辑/删除/重新生成标记
 * 6. 对话摘要自动生成
 */
export interface ConversationMessage {
    id: string;
    role: "user" | "assistant" | "system";
    content: string;
    timestamp: string;
    edited?: boolean;
    metadata?: {
        model?: string;
        tokensUsed?: number;
        toolsCalled?: string[];
        ragContext?: boolean;
    };
}
export interface Conversation {
    id: string;
    title: string;
    messages: ConversationMessage[];
    createdAt: string;
    updatedAt: string;
    tags: string[];
    pinned: boolean;
    archived: boolean;
    summary?: string;
    metadata?: {
        messageCount: number;
        totalTokens?: number;
    };
}
export interface ConversationManagerConfig {
    dataPath: string;
    maxConversations: number;
    maxMessagesPerConversation: number;
    autoSummary: boolean;
}
export interface ConversationSearchOptions {
    keyword?: string;
    tags?: string[];
    dateFrom?: string;
    dateTo?: string;
    pinned?: boolean;
    archived?: boolean;
}
export declare class ConversationManager {
    private config;
    private conversations;
    constructor(config?: Partial<ConversationManagerConfig>);
    /** 创建新对话 */
    createConversation(title?: string, tags?: string[]): Conversation;
    /** 获取对话 */
    getConversation(id: string): Conversation | undefined;
    /** 删除对话 */
    deleteConversation(id: string): boolean;
    /** 列出对话（最近的在前） */
    listConversations(options?: ConversationSearchOptions): Array<{
        id: string;
        title: string;
        messageCount: number;
        lastMessage?: string;
        updatedAt: string;
        tags: string[];
        pinned: boolean;
        archived: boolean;
        summary?: string;
    }>;
    /** 添加消息 */
    addMessage(conversationId: string, role: "user" | "assistant" | "system", content: string, metadata?: ConversationMessage["metadata"]): ConversationMessage | null;
    /** 编辑消息 */
    editMessage(conversationId: string, messageId: string, newContent: string): boolean;
    /** 删除消息 */
    deleteMessage(conversationId: string, messageId: string): boolean;
    /** 置顶/取消置顶 */
    togglePin(id: string): boolean;
    /** 归档/取消归档 */
    toggleArchive(id: string): boolean;
    /** 添加标签 */
    addTag(id: string, tag: string): boolean;
    /** 设置摘要 */
    setSummary(id: string, summary: string): boolean;
    /** 重命名 */
    rename(id: string, title: string): boolean;
    /** 导出对话 */
    exportConversation(id: string, format?: string): string;
    /** 全局搜索消息 */
    searchMessages(keyword: string, limit?: number): Array<{
        conversationId: string;
        conversationTitle: string;
        message: ConversationMessage;
    }>;
    getStatus(): {
        totalConversations: number;
        totalMessages: number;
        pinnedCount: number;
        archivedCount: number;
        tagDistribution: Record<string, number>;
    };
    private load;
    private save;
}
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