feat: 重构为 Monorepo 架构并实现 HTTP Server
架构变更: - 采用 pnpm workspaces 实现 Monorepo 结构 - 将现有代码迁移到 packages/core - 新增 packages/server HTTP 服务层 Server 功能: - REST API: 会话管理、工具管理、配置管理 - WebSocket: 实时双向通信支持 - SSE: 服务端事件推送 - Hono + Bun 作为运行时 API 端点: - GET/POST /api/sessions - 会话 CRUD - GET/POST /api/sessions/:id/messages - 消息管理 - GET /api/sessions/:id/events - SSE 事件流 - WS /api/ws/:sessionId - WebSocket 连接 - GET/POST /api/tools - 工具管理 - GET/PUT /api/config - 配置管理
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import type { ModelMessage } from 'ai';
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import type { SessionData, Todo, SessionSummary } from './types.js';
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import { SessionStorage, sessionStorage } from './storage.js';
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/**
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* 会话管理器
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* 提供高级会话操作接口
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*/
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export class SessionManager {
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private storage: SessionStorage;
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private currentSession: SessionData | null = null;
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private autoSaveInterval: ReturnType<typeof setInterval> | null = null;
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constructor(storage?: SessionStorage) {
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this.storage = storage || sessionStorage;
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}
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/**
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* 初始化 - 尝试恢复或创建新会话
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*/
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async init(workdir: string): Promise<SessionData> {
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// 尝试加载当前会话
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const existing = await this.storage.loadCurrentSession();
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if (existing && existing.workdir === workdir) {
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// 同一工作目录，恢复会话
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this.currentSession = existing;
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} else {
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// 不同目录或无会话，归档旧会话并创建新的
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if (existing) {
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await this.storage.archiveCurrentSession();
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}
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this.currentSession = this.createNewSession(workdir);
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await this.save();
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}
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// 启动自动保存
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this.startAutoSave();
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return this.currentSession;
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}
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/**
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* 创建新会话
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*/
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private createNewSession(workdir: string): SessionData {
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return {
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id: this.storage.generateSessionId(),
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createdAt: new Date().toISOString(),
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updatedAt: new Date().toISOString(),
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workdir,
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messages: [],
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discoveredTools: [],
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todos: [],
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};
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}
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/**
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* 获取当前会话
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*/
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getSession(): SessionData | null {
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return this.currentSession;
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}
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/**
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* 保存当前会话
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*/
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async save(): Promise<void> {
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if (this.currentSession) {
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await this.storage.saveCurrentSession(this.currentSession);
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}
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}
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/**
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* 添加消息
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*/
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async addMessage(message: ModelMessage): Promise<void> {
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if (!this.currentSession) return;
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this.currentSession.messages.push(message);
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await this.save();
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}
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/**
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* 批量设置消息（用于同步整个对话历史）
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*/
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async setMessages(messages: ModelMessage[]): Promise<void> {
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if (!this.currentSession) return;
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this.currentSession.messages = messages;
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await this.save();
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}
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/**
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* 获取对话历史
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*/
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getMessages(): ModelMessage[] {
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return this.currentSession?.messages || [];
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}
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/**
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* 设置已发现的工具
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*/
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async setDiscoveredTools(tools: string[]): Promise<void> {
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if (!this.currentSession) return;
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this.currentSession.discoveredTools = tools;
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await this.save();
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}
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/**
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* 获取已发现的工具
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*/
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getDiscoveredTools(): string[] {
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return this.currentSession?.discoveredTools || [];
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}
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/**
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* 更新待办事项
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*/
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async setTodos(todos: Todo[]): Promise<void> {
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if (!this.currentSession) return;
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this.currentSession.todos = todos;
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await this.save();
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}
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/**
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* 获取待办事项
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*/
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getTodos(): Todo[] {
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return this.currentSession?.todos || [];
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}
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/**
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* 清空当前会话并创建新会话
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*/
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async newSession(workdir?: string): Promise<SessionData> {
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// 归档当前会话
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if (this.currentSession && this.currentSession.messages.length > 0) {
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await this.storage.archiveCurrentSession();
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}
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// 创建新会话
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const newWorkdir = workdir || this.currentSession?.workdir || process.cwd();
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this.currentSession = this.createNewSession(newWorkdir);
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await this.save();
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return this.currentSession;
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}
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/**
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* 创建子会话（用于 Task 工具）
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* @param parentId 父会话 ID
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* @param agentName 关联的 Agent 名称
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* @param title 会话标题
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*/
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createChildSession(parentId: string, agentName: string, title?: string): SessionData {
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const workdir = this.currentSession?.workdir || process.cwd();
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const childSession: SessionData = {
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id: this.storage.generateSessionId(),
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parentId,
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agentName,
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createdAt: new Date().toISOString(),
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updatedAt: new Date().toISOString(),
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workdir,
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title: title || `子任务 (@${agentName})`,
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messages: [],
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discoveredTools: [],
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todos: [],
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};
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return childSession;
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}
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/**
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* 保存子会话
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*/
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async saveChildSession(session: SessionData): Promise<void> {
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await this.storage.saveSession(session);
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}
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/**
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* 获取当前会话 ID
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*/
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getSessionId(): string | undefined {
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return this.currentSession?.id;
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}
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/**
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* 恢复指定会话
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*/
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async restoreSession(sessionId: string): Promise<SessionData | null> {
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const session = await this.storage.loadSession(sessionId);
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if (!session) return null;
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// 归档当前会话
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if (this.currentSession && this.currentSession.messages.length > 0) {
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await this.storage.archiveCurrentSession();
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}
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this.currentSession = session;
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await this.save();
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return session;
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}
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/**
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* 列出历史会话
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*/
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async listSessions(): Promise<SessionSummary[]> {
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return this.storage.listSessions();
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}
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/**
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* 删除历史会话
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*/
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async deleteSession(sessionId: string): Promise<boolean> {
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return this.storage.deleteSession(sessionId);
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}
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/**
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* 启动自动保存（每 30 秒）
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*/
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private startAutoSave(): void {
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if (this.autoSaveInterval) return;
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this.autoSaveInterval = setInterval(async () => {
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await this.save();
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}, 30000);
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}
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/**
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* 停止自动保存
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*/
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stopAutoSave(): void {
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if (this.autoSaveInterval) {
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clearInterval(this.autoSaveInterval);
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this.autoSaveInterval = null;
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}
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}
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/**
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* 关闭管理器（保存并停止自动保存）
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*/
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async close(): Promise<void> {
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this.stopAutoSave();
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await this.save();
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}
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/**
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* 清理旧会话
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*/
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async cleanup(keepCount?: number): Promise<number> {
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return this.storage.cleanupOldSessions(keepCount);
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}
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}
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// 导出默认实例
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export const sessionManager = new SessionManager();
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