chore(ai-tools): update DESIGN.md with theme changes

[dreamwasp]

Overview

PR Checklist

• Related to designs:
• Related to JIRA ticket: [ABC-123]
• Version plan added/updated (or not needed)
• I have run this code to verify it works
• This PR includes unit tests for the code change
• This PR includes testing instructions tests for the code change
• The alpha package of this PR is passing end-to-end tests in all relevant Codecademy repositories

Testing Instructions

1. Add the gamut alpha to another repo
2. Run gamut plugin update cursor --theme lxStudio --force
3. See the DESIGN.MD is updated

[nx-cloud]

View your CI Pipeline Execution ↗ for commit c4b202d

---

☁️ Nx Cloud last updated this comment at 2026-05-28 20:27:35 UTC

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.90%. Comparing base (ef39572) to head (c4b202d).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3359      +/-   ##
==========================================
- Coverage   90.40%   89.90%   -0.50%     
==========================================
  Files         405      276     -129     
  Lines        6646     5723     -923     
  Branches     2155     1927     -228     
==========================================
- Hits         6008     5145     -863     
+ Misses        630      570      -60     
  Partials        8        8              

Flag	Coverage Δ
main	?
pull-request	89.90% <ø> (?)

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[codecademydev]

📬 Published Alpha Packages:

Package	Version	npm	Diff
@codecademy/gamut	68.7.1-alpha.1ea5a8.0	npm	diff
@codecademy/gamut-icons	9.57.6-alpha.1ea5a8.0	npm	diff
@codecademy/gamut-illustrations	0.58.12-alpha.1ea5a8.0	npm	diff
@codecademy/gamut-kit	0.6.602-alpha.1ea5a8.0	npm	diff
@codecademy/gamut-patterns	0.10.31-alpha.1ea5a8.0	npm	diff
@codecademy/gamut-styles	18.0.1-alpha.1ea5a8.0	npm	diff
@codecademy/gamut-tests	6.0.2-alpha.1ea5a8.0	npm	diff
@codecademy/variance	0.26.2-alpha.1ea5a8.0	npm	diff
eslint-plugin-gamut	2.4.4-alpha.1ea5a8.0	npm	diff

[github-actions]

🚀 Styleguide deploy preview ready!

Preview URL: https://6a18a60273ee572310807381--gamut-preview.netlify.app
Deploy Logs: https://app.netlify.com/projects/gamut-preview/deploys/6a18a60273ee572310807381