Completes the self-contained, offline-from-clone engine set (ast-grep + cpd + scc +
biome + ruff) across linux x64/arm64, darwin x64/arm64, win32 x64. checksums.txt now
covers all 25 tool×platform binaries; manifest + first-run fetch kept ready in case we
switch to fetch-on-demand later.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Giancarmine SalucciandClaude Opus 4.8