- Create @manacore/shared-profile-ui package with ProfilePage component
- Add glassmorphism-styled profile page with user info and actions
- Move profile link into user dropdown menu as first item
- Move layout toggle control to end of navigation
- Fix pill navigation styling in sidebar mode (full-width pills, proper spacing)
- Fix segmented control button hover states with proper border-radius
- Fix theme mode selector blur styling in dropdown
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Co-Authored-By: Claude <noreply@anthropic.com>
