Add email HTML sanitization and CSS isolation via Shadow DOM

Name

lúc 15:31 14 tháng 3, 2026 UTC

Tác giả

kamo

Cam kết

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.