Matches upstream Cinny 4.12.8. npm audit flagged our sanitize-html
2.17.7 with three advisories, two of them XSS bypasses (SMIL animation
namespace-prefix javascript: URIs; meta refresh javascript:/data: URLs;
noscript content rendering after an implied close). sanitize-html cleans
formatted message HTML. After the bump: 0 production advisories.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017PCb59uY3UKqDqt7B6hzd5