- Added `lib/api.ts` to centralize API communication for authentication, projects, persons, tags, and groups.
- Introduced `middleware.ts` to handle route protection based on authentication and roles.
- Created `auth-context.tsx` to manage authentication state with `AuthProvider` and `useAuth` hook.
- Updated `package.json` to include `swr` for data fetching.
- Enhanced project documentation (`RESPONSIVE_DESIGN.md` and `README.md`) with responsive design and architecture details.
Implemented reusable UI components including AlertDialog, Accordion, Breadcrumb, Button, Card, and Calendar. Added essential assets and SVG icons for improved interface design. Integrated a base homepage layout with responsive grid structure.
