- Install sonner package for toast notifications
- Add Toaster component to root layout with dark theme styling
- Replace all alert() calls with toast.success() and toast.error()
- Add descriptive messages for success states
- Toast notifications match the app's dark theme design
- Install @supabase/ssr package for server-side auth
- Create middleware.ts for route protection (redirects to login if not authenticated)
- Fix login page admin check to verify specific user ID
- Add AUTH_SETUP.md with complete setup instructions
- Add setup-admin.sql for database configuration
- Logout button already exists in sidebar
