Add email HTML sanitization and CSS isolation via Shadow DOM

Порезанный

14 марта 2026 г. в 15:31 UTC

Автор

kamo

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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.