feat: add inline file previews and attachment chips across surfaces (#11265)

Co-authored-by: Julius Marminge <51714798+juliusmarminge@users.noreply.github.com>
4fed6cfb35Chris Deeming committed on 9/12/2026, 6:58:12 AM· committed by GitHubparentca6416e
64 files changedLine totals unavailable