cross-platform 2

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

DeepSeek Harness plugin: workspace-scoped Python virtual environment management for agents (pyenv_discover / pyenv_create / pyenv_install / pyenv_uninstall / pyenv_remove). Runs the standard library python -m venv / pip through the host subprocess channel