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runtime-ux-audit

Audit a URL or local HTML file for runtime UX problems that WCAG checks miss. Back/forward cache blockers, view transitions, speculation rules, INP and main-thread smells, dialog, popover, z-index and motion issues, and mobile viewport bugs (100vh, safe areas, tap targets, scroll hijacking). Static pass for CI; --dynamic adds Chromium INP, bfcache and focus probes. Exits 1 on critical or serious.

plugins/atelier/skills/runtime-ux-audit/SKILL.md

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Network or broad shell
Last checked
Nov 4, 2026

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9
Repository last updated
Oct 14, 2026
License
MIT

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## Run

`node "${CLAUDE_PLUGIN_ROOT}/bin/atelier" ux <url|file> [--dynamic] [--out dir] [--brand path]`

```bash
node "${CLAUDE_PLUGIN_ROOT}/bin/atelier" ux dist/index.html
node "${CLAUDE_PLUGIN_ROOT}/bin/atelier" ux https://staging.example.com --dynamic --out ux-report
node "${CLAUDE_PLUGIN_ROOT}/bin/atelier" ux dist/index.html --brand .atelier/brand.json --area mobile,panels
```

JS API (the module path goes in as an argument and through `pathToFileURL`, so the import works with Windows, macOS and Linux paths):

```bash
node --input-type=module -e "const { pathToFileURL } = await import('node:url'); const m = await import(pathToFileURL(process.argv[1]).href); const r = await m.auditRuntimeUx({ url: 'dist/index.html', outDir: 'ux-report' }); console.log(r.pass, r.summary.rules, r.metrics.inpP75Ms);" "${CLAUDE_SKILL_DIR}/index.mjs"