- Add horizontal nav menu with 7 items: Profile, Characters, Sessions,
Mechanics, Leaderboard, Settings, Help
- Implement responsive hamburger menu for mobile (≤768px)
- Create pages blueprint with stub routes for new pages
- Add "Coming Soon" styled stub templates with icons
- Include active state highlighting for current page
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
