- Add npm scripts: validate, validate:strict, index, readme, chain, catalog, build
- Align docs to V4 and 560 skills (GETTING_STARTED, FAQ, BUNDLES, MAINTENANCE, vietnamese)
- build-catalog: output to data/ for catalog, bundles, aliases; add to CI and drift check
- Add yaml dep, Node setup and catalog step in CI; extend auto-commit and drift msg
- Translate CI and MAINTENANCE to English; update CI_DRIFT_FIX and maintenance routine
- QUALITY_BAR/CONTRIBUTING: canonical validator npm run validate; legacy note in validate-skills.js
- Add package.json with bin for antigravity-awesome-skills
- Add bin/install.js: clone to ~/.agent/skills (default), --cursor/--claude/--gemini/--path
- Git pull if dir exists; core.symlinks=true on Windows
- Update README and GETTING_STARTED with npx instructions
- Updated README.md title and descriptions from 552+ to 560+
- Updated docs/GETTING_STARTED.md references
- Updated RELEASE_NOTES.md to v4.1.0
- Removed duplicate contributor entry
