feat: 实现会话记忆同步和知识图谱恢复机制
- 添加 memory_compacted SSE 事件处理 - 添加 CompactedMemory/CompactedMessage 类型定义 - 添加 COMPACTION_SUMMARY 消息类型 - 实现压缩数据存储到 conversation.json - 实现从 conversation.json 构建恢复数据 - 发送请求时附带 knowledgeData 用于恢复知识图谱
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XiaoFeng
@ -9,8 +9,10 @@ import {
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UserMessage,
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AiMessage,
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SystemMessage,
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ToolExecutionResultMessage
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ToolExecutionResultMessage,
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CompactionSummaryMessage
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} from '../types/chatHistory';
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import { CompactedMemory, CompactedMessage } from '../types/memory';
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/**
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* 会话历史管理器
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@ -23,6 +25,8 @@ export class ChatHistoryManager {
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private currentProjectPath: string | null = null;
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// 存储每个面板的任务信息（taskId 和 projectPath）
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private panelTaskMap: Map<string, { taskId: string; projectPath: string }> = new Map();
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// 追踪压缩后产生的新消息
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private newMessagesSinceCompaction: CompactedMessage[] = [];
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private constructor() {
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// 设置存储路径: ~/.iccoder
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@ -690,4 +694,203 @@ export class ChatHistoryManager {
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hasMore: end < total
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};
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}
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// ========== 压缩数据相关方法 ==========
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/**
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* 保存压缩数据（存入 conversation.json 作为压缩摘要消息）
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*/
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public async saveCompactedData(compacted: CompactedMemory): Promise<void> {
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// 尝试从多个来源获取 projectPath
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let projectPath = this.currentProjectPath;
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if (!projectPath) {
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for (const [, taskInfo] of this.panelTaskMap) {
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if (taskInfo.taskId === compacted.taskId) {
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projectPath = taskInfo.projectPath;
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break;
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}
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}
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}
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if (!projectPath) {
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console.error('[ChatHistoryManager] 无法保存压缩数据：projectPath 为空');
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return;
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}
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// 读取现有对话历史
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const taskDir = this.getTaskDir(projectPath, compacted.taskId);
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const conversationPath = path.join(taskDir, 'conversation.json');
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let messages: ChatMessage[] = [];
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try {
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const uri = vscode.Uri.file(conversationPath);
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const content = await vscode.workspace.fs.readFile(uri);
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messages = JSON.parse(Buffer.from(content).toString('utf-8'));
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} catch {
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// 文件不存在，使用空数组
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}
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// 创建压缩摘要消息
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const summaryMessage: CompactionSummaryMessage = {
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type: MessageType.COMPACTION_SUMMARY,
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summary: compacted.summary,
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version: compacted.version,
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compactedAt: compacted.compactedAt,
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originalMessageCount: compacted.originalMessageCount,
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compactedMessageCount: compacted.compactedMessageCount
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};
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// 添加到对话历史
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messages.push(summaryMessage);
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// 保存
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const uri = vscode.Uri.file(conversationPath);
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const content = Buffer.from(JSON.stringify(messages, null, 2), 'utf-8');
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await vscode.workspace.fs.writeFile(uri, content);
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// 重置新消息追踪
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this.newMessagesSinceCompaction = [];
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console.log(`[ChatHistoryManager] 压缩摘要已保存到 conversation.json: taskId=${compacted.taskId}`);
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}
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/**
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* 加载压缩数据（从 conversation.json 构建）
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*/
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public async loadCompactedData(taskId: string): Promise<CompactedMemory | null> {
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// 尝试从多个来源获取 projectPath
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let projectPath = this.currentProjectPath;
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if (!projectPath) {
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for (const [, taskInfo] of this.panelTaskMap) {
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if (taskInfo.taskId === taskId) {
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projectPath = taskInfo.projectPath;
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break;
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}
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}
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}
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if (!projectPath) {
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console.log('[ChatHistoryManager] loadCompactedData: projectPath 为空');
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return null;
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}
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// 读取 conversation.json
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const taskDir = this.getTaskDir(projectPath, taskId);
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const conversationPath = path.join(taskDir, 'conversation.json');
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try {
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const uri = vscode.Uri.file(conversationPath);
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const content = await vscode.workspace.fs.readFile(uri);
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const messages: ChatMessage[] = JSON.parse(Buffer.from(content).toString('utf-8'));
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if (messages.length === 0) {
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console.log('[ChatHistoryManager] conversation.json 为空');
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return null;
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}
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// 从 conversation.json 构建 CompactedMemory
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return this.buildCompactedMemoryFromConversation(taskId, messages);
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} catch {
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console.log('[ChatHistoryManager] conversation.json 不存在:', conversationPath);
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return null;
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}
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}
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/**
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* 从 conversation.json 构建 CompactedMemory
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*/
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private buildCompactedMemoryFromConversation(taskId: string, messages: ChatMessage[]): CompactedMemory {
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// 查找最后一个压缩摘要消息
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let lastSummary: CompactionSummaryMessage | null = null;
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let summaryIndex = -1;
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for (let i = messages.length - 1; i >= 0; i--) {
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if (messages[i].type === MessageType.COMPACTION_SUMMARY) {
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lastSummary = messages[i] as CompactionSummaryMessage;
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summaryIndex = i;
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break;
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}
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}
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// 获取摘要后的消息（或全部消息）
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const recentMessages = summaryIndex >= 0
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? messages.slice(summaryIndex + 1)
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: messages;
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// 转换为 CompactedMessage 格式
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const compactedMessages: CompactedMessage[] = recentMessages.map(msg => ({
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type: this.mapMessageType(msg.type),
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content: this.extractMessageContent(msg)
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}));
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return {
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taskId,
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version: lastSummary?.version || Date.now(),
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compactedAt: lastSummary?.compactedAt || new Date().toISOString(),
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summary: lastSummary?.summary || '',
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recentMessages: compactedMessages,
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originalMessageCount: messages.length,
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compactedMessageCount: compactedMessages.length
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};
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}
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/**
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* 映射消息类型
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*/
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private mapMessageType(type: MessageType): 'USER' | 'AI' | 'SYSTEM' | 'TOOL_RESULT' {
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switch (type) {
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case MessageType.USER: return 'USER';
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case MessageType.AI: return 'AI';
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case MessageType.SYSTEM: return 'SYSTEM';
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case MessageType.TOOL_EXECUTION_RESULT: return 'TOOL_RESULT';
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default: return 'USER';
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}
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}
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/**
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* 提取消息内容
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*/
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private extractMessageContent(msg: ChatMessage): string {
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switch (msg.type) {
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case MessageType.USER:
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return (msg as UserMessage).contents?.[0]?.text || '';
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case MessageType.AI:
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return (msg as AiMessage).text || '';
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case MessageType.SYSTEM:
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return (msg as SystemMessage).text || '';
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case MessageType.TOOL_EXECUTION_RESULT:
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return (msg as ToolExecutionResultMessage).text || '';
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default:
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return '';
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}
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}
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/**
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* 获取压缩后产生的新消息
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*/
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public getNewMessagesSinceCompaction(): CompactedMessage[] {
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return this.newMessagesSinceCompaction;
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}
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/**
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* 追踪新消息（用户消息）
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*/
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public trackUserMessage(text: string): void {
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this.newMessagesSinceCompaction.push({
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type: 'USER',
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content: text
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});
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}
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/**
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* 追踪新消息（AI消息）
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*/
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public trackAiMessage(text: string): void {
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this.newMessagesSinceCompaction.push({
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type: 'AI',
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content: text
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});
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}
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}
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