feat(tools): install Vite+ releases

[afonsojramos]

Summary

Containerbase can install an exact Vite+ release as vp, giving downstream tools a verified way to run the compatibility planner owned by that release.

This is the second part of the Vite+ dependency-alignment integration. It depends on voidzero-dev/vite-plus#2600 and should remain a draft until a released Vite+ archive exercises the live installation path.

Design

• Installation selects the official archive for the current Linux architecture and validates it against vp-checksums.txt.
• The extracted vp, planner sidecar, and toolchain manifest retain the release layout expected by the global CLI.
• Vite+ declares Node as its parent tool so the JavaScript planner always has a compatible runtime.
• Releases that predate the planner contract return a stable marker. Renovate can treat that case as unsupported instead of as a failed update.

Validation

• All 27 Vite+ installer tests passed.
• Formatting, ESLint, both TypeScript configurations, Markdown lint, and git diff --check passed.
• A real install-tool vp <version> Docker case remains intentionally deferred until feat(cli): expose dependency alignment plans voidzero-dev/vite-plus#2600 ships the required archive and checksum contract.