web: allow editing group and channel descriptions in chat info

docs/core-checklist-status.md

@@ -29,10 +29,10 @@ Legend:
 20. GIF - `DONE` (web GIF picker with provider search, preset fallback, and favorites)
 21. Message History/Search - `DONE` (history/pagination/chat+global search)
 22. Text Formatting - `DONE` (bold/italic/underline/spoiler/mono/links + strikethrough + quote/code block; web composer supports keyboard shortcuts `Ctrl/Cmd+B/I/U/K`, `Ctrl/Cmd+Shift+X`, `Ctrl/Cmd+Shift+\``)
-23. Groups - `DONE` (create/add/remove/invite link with role-aware moderation flows in web Chat Info and covered invite/join behavior)
+23. Groups - `DONE` (create/add/remove/invite link with role-aware moderation flows in web Chat Info, including owner/admin editing of title and description)
 24. Roles - `DONE` (owner/admin/member)
 25. Admin Rights - `DONE` (delete/pin/edit info + ban/unban/member role management with role-gated UI and APIs for groups/channels; member role no longer sees participants lists in group/channel chat info)
-26. Channels - `DONE` (create/post/edit/delete/subscribe/unsubscribe with role-aware channel behavior and invite-link flows)
+26. Channels - `DONE` (create/post/edit/delete/subscribe/unsubscribe with role-aware channel behavior and invite-link flows; owner/admin can edit channel title and description in web Chat Info)
 27. Channel Types - `DONE` (public/private)
 28. Notifications - `DONE` (browser notifications + mute/settings/sound; mention override for muted chats, realtime sync for mute state, notification click deep-link (`/?chat=..&message=..`) restores chat/message focus after auth)
 29. Archive - `DONE`