dsh-win32 v0.5.1

Hotfix for the first field report (#5, thank you @flyingfishzxf). npx dsh-win32 could 404 on @deepseek-ai/dsh-type-meta. npm auto-installed our peerDependencies and resolved them into a stale prerelease graph. The CLI is zero-dependency and the peers only matter inside a dsh profile, so they are now marked optional and npx no longer installs them. install.ps1 also fails loud now instead of printing Done after a failed setup. Retry with npx --yes dsh-win32@latest setup --shortcut