gitbash 2

Git Bash tool plugin for DeepSeek Harness on Windows: registers a global `gitbash` tool that runs commands via Git for Windows bash.exe. Lightweight, no node-pty, no WSL, sandbox-aware.

Git Bash as a first-class shell on Windows for DeepSeek Harness — a realm-scoped `ctx.shell` executor plus the standard `bash` tool, wired to the real Git for Windows bash.exe instead of PATH's WSL launcher.