Track build dependencies and only rebuild packages with changed deps
for smarter, more efficient world updates.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Increase parallel emerge jobs from 2 to 4
- Increase portage tmpfs from 16G to 24G
- Add package.accept_keywords/zoxide (~amd64)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>