docs: update README tagline

[let-sunny]

Summary

• Update README tagline to match new brand direction
• Before: "Analyzes Figma designs to help AI implement them pixel-perfectly..."
• After: "Stop explaining your designs. Get scored by AI-calibrated rules."

🤖 Generated with Claude Code

Summary by CodeRabbit

• Documentation
  • Updated product messaging to highlight AI-calibrated design analysis and scoring approach.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: ASSERTIVE

Plan: Pro

Run ID: 2bd64ae2-d1ce-4865-81a2-36d33d168170

📥 Commits

Reviewing files that changed from the base of the PR and between e0a6b20 and a6da193.

📒 Files selected for processing (1)

• README.md

---

📝 Walkthrough

Walkthrough

The README's centered tagline was updated to reflect a new positioning message. The original description of analyzing Figma designs for pixel-perfect AI implementation with minimal token cost was replaced with messaging emphasizing users to "Stop explaining your designs" and receive AI-calibrated rule-based scores.

Changes

Cohort / File(s)	Summary
README Branding README.md	Updated centered tagline to new positioning message focused on AI-calibrated rule scoring and design explanation elimination.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• docs: refactor README branding and positioning #85: Also modifies the README's top-line branding and header messaging to update project positioning.
• docs: update project direction based on ablation experiments #122: Updates the README's tagline, addressing the same messaging/branding elements.

Poem

A rabbit hops with glee so bright, 🐰
The tagline shines with fresh new light,
No more long explanations here—
AI rules make messages clear!
Our designs now speak sincere. ✨

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/update-tagline

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}