Method filterTools

src/context/processors/ContextFilter.ts:94–124

* 过滤工具上下文

(
    toolContext: ContextData['layers']['tool'],
    options: Required<FilterOptions>
  )

   * 过滤工具上下文
   */
  private filterTools(
    toolContext: ContextData['layers']['tool'],
    options: Required<FilterOptions>
  ): ContextData['layers']['tool'] {
    let filteredCalls = [...toolContext.recentCalls];

    // 时间窗口过滤
    if (options.timeWindow > 0) {
      const cutoffTime = Date.now() - options.timeWindow;
      filteredCalls = filteredCalls.filter(call => call.timestamp >= cutoffTime);
    }

    // 保留最近的成功调用和失败调用（用于学习）
    const successCalls = filteredCalls.filter(call => call.status === 'success');
    const failedCalls = filteredCalls.filter(call => call.status === 'error');

    // 限制每种状态的调用数量
    const maxSuccessfulCalls = Math.min(20, successCalls.length);
    const maxFailedCalls = Math.min(10, failedCalls.length);

    const limitedCalls = [
      ...successCalls.slice(-maxSuccessfulCalls),
      ...failedCalls.slice(-maxFailedCalls),
    ].sort((a, b) => a.timestamp - b.timestamp);

    return {
      recentCalls: limitedCalls,
      toolStates: toolContext.toolStates,
      dependencies: toolContext.dependencies,
    };
  }

  /**
   * 按优先级过滤消息