Method batchRefreshTokens

src/utils/token-manager.js:166–206

* 批量刷新即将过期的令牌 * @param {Array} accounts - 账户列表 * @param {number} thresholdHours - 过期阈值（小时） * @param {Function} onEachRefresh - 每次刷新成功后的回调函数 (updatedAccount, index, total) => void * @returns {Promise } 刷新结果 {refreshed: Array, failed: Array}

(accounts, thresholdHours = 24, onEachRefresh = null)

     */
    async batchRefreshTokens(accounts, thresholdHours = 24, onEachRefresh = null) {
        const needsRefresh = accounts.filter(account =>
            this.isTokenExpiringSoon(account.token, thresholdHours)
        )

        if (needsRefresh.length === 0) {
            logger.info('没有需要刷新的令牌', 'TOKEN')
            return { refreshed: [], failed: [] }
        }

        logger.info(`发现 ${needsRefresh.length} 个令牌需要刷新`, 'TOKEN')

        const refreshed = []
        const failed = []

        for (let i = 0; i < needsRefresh.length; i++) {
            const account = needsRefresh[i]
            const updatedAccount = await this.refreshToken(account)

            if (updatedAccount) {
                refreshed.push(updatedAccount)

                // 如果提供了回调函数，立即调用
                if (onEachRefresh && typeof onEachRefresh === 'function') {
                    try {
                        await onEachRefresh(updatedAccount, i + 1, needsRefresh.length)
                    } catch (error) {
                        logger.error(`刷新回调函数执行失败 (${account.email})`, 'TOKEN', '', error)
                    }
                }
            } else {
                failed.push(account)
            }

            // 添加延迟避免请求过于频繁 (jitter breaks machine-perfect timing)
            await this._delay(jitter(1000))
        }

        logger.success(`令牌刷新完成: 成功 ${refreshed.length} 个，失败 ${failed.length} 个`, 'TOKEN')
        return { refreshed, failed }
    }

    /**
     * 获取健康的令牌统计信息
     * @param {Array} accounts - 账户列表