Method timeout

src/utils/error.ts:123–132

* 创建超时错误

(operation: string, timeoutMs: number)

   * 创建超时错误
   */
  static timeout(operation: string, timeoutMs: number): AppError {
    return new AppError({
      message: `操作 "${operation}" 超时 (${timeoutMs}ms)`,
      type: ErrorType.TIMEOUT,
      severity: ErrorSeverity.WARNING,
      code: 'TIMEOUT_ERROR',
      details: { operation, timeoutMs },
      recoverable: true,
    })
  }

  /**
   * 创建未找到错误