Shell Shortcuts (proxy on, proxy off, goto, gpu, conda autostart) Goal: make a fresh machine behave the same across Windows / macOS / Ubuntu with a small set of commands: - / : toggle terminal proxy (env vars + Git global proxy) - : persistent path shortcuts (e.g. ) - : show NVIDIA GPU status ( wrapper; Windows/Ubuntu only) - Optional: auto-activate a Conda env when a new shell starts This skill is intentionally opinionated: - Prefer PowerShell on Windows for the full experience. - Keep everything idempotent by putting functions/scripts behind a clearly-marked block. Defaults (edit as needed)…