refactor(web): chat markdown images and videos live in their own module (#22694)

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
7ffc3bb7e8Julius Marminge committed on 10/21/2026, 8:32:04 AM· committed by GitHubparent827f6d4
4 files changedLine totals unavailable