Three quality-check tools in one — run before every ship.

Commands

Command	What it does	Reference
`detect [target]`	Deterministic anti-pattern scan — finds focus rings, clipped dropdowns, pure black/white, tiny touch targets, missing reduced-motion, and more	references/detect.md
`preview [target]`	Real Chromium screenshot — desktop + mobile viewports, reads back visually, fixes bugs in a loop	references/preview.md
`review [file]`	Design engineering code review — motion crimes, a11y violations, forbidden patterns, Before/After table with score	references/review.md

When to use which

Situation	Command
"Are there any design problems in my code?"	`detect`
"What does my site actually look like?"	`preview`
"Review my code before I ship"	`review`
Just built something with `/siteasy build`	`preview` → `detect` → `review`