computed-styles

Release gate that catches "green build, healthy container, broken page" deploys: CSS audit, computed-style assertions, screenshot diff, and Docker candidate promotion with verified rollback.

Catch every CSS change before it ships — review PRs and certify refactors by the browser's computed styles, not pixels. Works with any styling system.

Copy full pages or selected elements as rich text, images, markdown, HTML, selectors, paths, or styles. Chrome, Firefox.

Historical CSS cascade reconstruction benchmark using route-event replay, scheduler telemetry, DOM/fiber identity recovery, and hot-reload evidence.