- Install @radix-ui/react-dropdown-menu and add shadcn/ui dropdown-menu component
- Create src/components/user-menu.tsx: avatar button showing user initial,
DropdownMenu with name/email label, Settings link (/app/settings), Sign Out
(calls signOut with redirect to /login)
- Replace placeholder div in src/app/app/layout.tsx with <UserMenu />
- Remove now-redundant standalone Settings link from nav bar (Settings is in dropdown)
- Mark task 13.1 done in openspec/changes/user-accounts/tasks.md
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>