DeepSeek Harness 插件：GitHub 风格用量热力图 + Token / 缓存命中 / 账户余额看板 + 工作区别名管理。

Backup, restore, download and GitHub-sync DeepSeek Harness user data (~/.dsh): /backup, scheduled auto-backup that survives restarts, sha256 checksums, integrity verify, rotation, credential redaction with a local vault (plaintext never leaves the machine