Implement mobile-first responsive layout for the homepage per DESIGN.md.
bolt-ui:
- Add Drawer component (SSR-safe, keydown, theme styles)
- Add useMediaQuery composable
- Document both in bolt-ui README
index page:
- Sidebar switches between rail (desktop) and drawer (mobile) modes
- Three-row mobile header with drawer trigger
- Breakpoints aligned with DESIGN.md
- Mobile-first masonry column defaults (no flash on mobile refresh)
docs:
- Add homepage mobile adaptation design spec
- Add implementation plan and self-review notes
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
