Method compress

src/context/processors/ContextCompressor.ts:24–55

* 压缩上下文数据

(contextData: ContextData)

   * 压缩上下文数据
   */
  async compress(contextData: ContextData): Promise<CompressedContext> {
    const messages = contextData.layers.conversation.messages;
    const toolCalls = contextData.layers.tool.recentCalls;

    // 分离系统消息和用户/助手消息
    const systemMessages = messages.filter(m => m.role === 'system');
    const conversationMessages = messages.filter(m => m.role !== 'system');

    // 获取最近的消息（保持完整）
    const recentMessages = this.getRecentMessages(conversationMessages);

    // 压缩较旧的消息
    const olderMessages = conversationMessages.slice(0, -this.recentMessagesLimit);
    const summary = await this.generateSummary(olderMessages);

    // 提取关键要点
    const keyPoints = this.extractKeyPoints(olderMessages, toolCalls);

    // 生成工具摘要
    const toolSummary = this.generateToolSummary(toolCalls);

    // 估算 token 数量
    const tokenCount = this.estimateTokenCount(summary, keyPoints, recentMessages, toolSummary);

    return {
      summary,
      keyPoints,
      recentMessages: [...systemMessages, ...recentMessages],
      toolSummary,
      tokenCount,
    };
  }

  /**
   * 获取最近的消息