Add email HTML sanitization and CSS isolation via Shadow DOM

Dikirim

14 Maret 2026 pukul 15.31 UTC

Penulis

kamo

Berkomitmen

60400ae

Replace raw dangerouslySetInnerHTML in MessageBrowser with a sanitized email renderer that uses DOMPurify + css-tree for HTML/CSS filtering and a closed Shadow DOM for complete CSS isolation. Prevents email styles from leaking into the site UI.