预览版：运营者名称及公开支持邮箱尚未配置，正式发布前必须补齐。
Preview: operator identity and public support contact must be completed before production distribution.
设备保存控制器偏好、昵称、身份会话及待同步成绩。Firebase Authentication 管理游客与可选邮箱账号；密码不公开在排行榜。Firestore 保存玩家标识、昵称、分组成绩、服务器时间及迁移状态。Cloudflare 处理联机房间和账号请求，服务商可能处理 IP 与诊断日志。
The device stores controls, nickname, session and pending scores. Firebase Authentication manages guests and optional email accounts. Firestore stores player IDs, nicknames, grouped scores, server timestamps and migration state. Cloudflare handles rooms and account requests. Providers may process IP addresses and operational logs. Passwords and emails are not shown on leaderboards.
账号菜单提供删除入口，需要当前密码和网络。删除清理经典版云端成绩、提交记录、迁移来源及 Firebase 身份，失败任务会重试。为拒绝旧请求重建资料，保留不可登录的删除标记（玩家标识、状态、时间）。设备设置和独立游戏的数据不属于经典版云端删除范围。
Account deletion requires your password and a connection. It clears Classic cloud records, submissions, merged guest sources and Firebase identity; interrupted jobs retry. Non-login tombstones retain player ID, status and timestamps to prevent stale requests from recreating data. Local preferences and separate games are outside Classic cloud deletion.
无广告、无内购。清除应用数据或卸载可能丢失尚未同步的成绩。
No ads or purchases. Clearing app data or uninstalling can lose unsynced scores.
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