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src/utils/data-persistence.js:14–14

const STATS_PERSIST_DEBOUNCE_MS = 5000
// 备份（data.json.bak）最小刷新间隔——不必每次落盘都多写一份
const BACKUP_MIN_INTERVAL_MS = 5 * 60 * 1000
// rename 重试间隔：Windows / 网络盘上目标文件被占用时可能短暂 EPERM / EBUSY
const RENAME_RETRY_DELAYS_MS = [20, 50, 100]