ui-polish

name	ui-polish
description	Four quality gate checklists for frontend: baseline visual, accessibility, metadata/SEO, and motion performance. Post-implementation quality gates. Trigger: When reviewing UI changes, before merging frontend PRs, during sdd-verify.
license	MIT
metadata	{"author":"JNZader","version":"1.0","tags":["ui","accessibility","seo","performance","quality-gates"],"category":"code-quality","source":"ibelick/ui-skills"}
allowed-tools	Read, Bash, Grep, Glob

Purpose

Four quality gate checklists for frontend. Run after implementation, before merge.

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Gate 1: Baseline Visual Review

• Consistent spacing (design system scale)
• Typography hierarchy (h1 > h2 > h3, no skips)
• Color contrast WCAG AA (4.5:1 text, 3:1 large)
• Responsive: 375px, 768px, 1280px
• No horizontal overflow
• Loading states for async ops
• Empty states designed
• Error states designed
• Truncation handled (ellipsis, line clamp)

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Gate 2: Accessibility

• All interactive elements keyboard-reachable
• Visible focus indicators
• Skip-to-content link
• Images have alt text (decorative: alt="")
• Form inputs have labels (not just placeholders)
• ARIA roles correct (not overused)
• Color not the only information channel
• Touch targets 44x44px minimum
• aria-live for dynamic content
• Modals trap focus, restore on close

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Gate 3: Metadata & SEO

• Unique page title per page
• Meta description < 160 chars
• OG tags: title, description, image
• Twitter card tags
• Canonical URL
• Favicons (16, 32, 180, 192, 512)
• robots.txt
• sitemap.xml for public pages
• JSON-LD structured data
• html lang attribute

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Gate 4: Motion & Performance

• Animations use transform/opacity only
• CLS < 0.1
• Respects prefers-reduced-motion
• Transitions < 300ms for feedback
• No blocking animations on page load
• Images lazy-loaded below fold
• LCP < 2.5s
• FID < 100ms
• Bundle size checked

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Report Format

| Gate | Passed | Total | Status |
|------|--------|-------|--------|
| Visual | 8/9 | 9 | warning |
| Accessibility | 10/10 | 10 | pass |
| Metadata | 9/10 | 10 | warning |
| Performance | 9/9 | 9 | pass |

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Critical Rules

1. Run ALL 4 gates before merging frontend PRs
2. Accessibility gate is NON-NEGOTIABLE — failures block merge
3. Test at minimum 3 breakpoints: 375px, 768px, 1280px
4. ALWAYS check prefers-reduced-motion for animations
5. CLS > 0.1 or LCP > 2.5s are merge-blocking