Implement comprehensive frontend design system for Phase II web application:
- Add shadcn/ui component library (button, input, card, dialog, form, etc.)
- Refactor auth pages (login/register) with new design system
- Update dashboard with modern UI components
- Implement TypeScript schemas for tasks, tags, filters, and users
- Add authentication and dashboard-specific components
- Create comprehensive documentation (accessibility, performance, validation)
- Configure Tailwind with custom theme and animations
- Add context providers for state management
This establishes the complete UI foundation required for the hackathon Phase II deliverable.
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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>