Add luxury title style

[xusnitdinov]

Summary

• Adds a luxury one-tap title style: Cinzel serif, uppercase, cream→gold gradient, wide letter spacing, clip-reveal animation
• Includes it in STYLE_CYCLE so new titles can rotate through the look
• Updates the title styles table in CLAUDE.md and the feature list in README.md

Test plan

• node server.js → http://localhost:7777
• Title button → inspector style dropdown shows Luxury
• Hover preview renders Cinzel with gold gradient

Closes #28

Summary by CodeRabbit

• New Features

  • Added a new Luxury title style featuring an elegant serif font, uppercase gold-gradient text, wide spacing, and a reveal animation.
  • Included the Luxury style in automatic title style rotation.

• Documentation

  • Updated the title style documentation to list the new Luxury option.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: ddbd320d-b020-456e-952d-b9bd361e97ca

📥 Commits

Reviewing files that changed from the base of the PR and between 9eab31a and b67a4a5.

📒 Files selected for processing (3)

• CLAUDE.md
• README.md
• app.js

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📝 Walkthrough

Walkthrough

Adds a luxury title preset using Cinzel, uppercase cream-to-gold styling, wide letter spacing, and clip-reveal, includes it in the style cycle, and updates the related documentation.

Changes

Luxury title style

Layer / File(s)	Summary
Luxury preset and style rotation app.js, CLAUDE.md, README.md	Adds the luxury preset to TITLE_STYLES, includes it in STYLE_CYCLE, and documents Luxury among the available title styles.

Estimated code review effort: 2 (Simple) | ~10 minutes

Suggested reviewers: plkmarudny

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title is concise and accurately reflects the main change: adding a new luxury title style.
Linked Issues check	✅ Passed	The PR adds the new TITLE_STYLES entry, includes it in STYLE_CYCLE, and updates the requested documentation.
Out of Scope Changes check	✅ Passed	No unrelated code changes are apparent; the README and CLAUDE updates align with the requested feature documentation.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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