Method _ensureDataFileExists

src/utils/data-persistence.js:333–353

* 确保数据文件存在 * @private

()

      return false
    }

    // 替换 pending payload 与 timer
    this._statsPendingPayload.set(email, stats)
    const prev = this._statsPersistTimers.get(email)
    if (prev) clearTimeout(prev)

    const timer = setTimeout(async () => {
      this._statsPersistTimers.delete(email)
      const payload = this._statsPendingPayload.get(email)
      this._statsPendingPayload.delete(email)
      if (!payload) return
      try {
        await this.saveAccount(email, { stats: payload })
      } catch (error) {
        logger.error(`stats 持久化失败 (${email})`, 'STATS', '', error)
      }
    }, STATS_PERSIST_DEBOUNCE_MS)

    this._statsPersistTimers.set(email, timer)
    return true
  }

  /**
   * 读取并解析 data.json；解析失败时尝试用备份自愈