5d74214822
The composer on the index page was rendering whatever avatar was set in `auth.users.user_metadata.avatar_id` at signup time — never updated when the user changes their avatar via Profile-Edit (those edits go to `profiles` table only, JWT claims stay stale). useMe() is the single source of truth that joins both server-side (see hooks/useMe.ts:15-18 comment that explicitly lists ComposeCard as a consumer that should subscribe). Switched the avatar + nickname reads to useMe(); future PATCH /api/auth/me followed by invalidateMe() now updates the composer avatar in real time alongside the AppHeader.