Function checkKeyExists

src/utils/redis.js:527–540

(key = 'headers')

  } catch (err) {
    logger.error('保存运行时设置失败', 'REDIS', '', err)
    return false
  }
}

/**
 * 检查键是否存在
 * @param {string} key - 键名
 * @returns {Promise<boolean>} 键是否存在
 */
const checkKeyExists = async (key = 'headers') => {
  try {
    const client = await ensureConnection()

    const exists = await client.exists(key)
    const result = exists === 1

    logger.info(`键 "${key}" ${result ? '存在' : '不存在'}`, 'REDIS', result ? '✅' : '❌')