feat: initialize Next.js project with Prisma, authentication, and rankings page

docs/AAA_IMPLEMENTATION.md

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+# AAA System Implementation Progress
+
+## Files Created
+
+### Database
+- `db/migrate/20240915000008_create_users.rb` - Users table with authentication fields
+
+### Models/Entities
+- `lib/euchre_camp/entities/user.rb` - User entity with authentication methods
+
+### Repositories
+- `app/repositories/users.rb` - Users repository with authentication logic
+
+### Actions
+- `app/actions/auth/login.rb` - Login form and authentication processing
+- `app/actions/auth/logout.rb` - Logout action
+
+### Templates
+- `app/templates/auth/login.html.erb` - Login page template
+
+### Routes
+- Updated `config/routes.rb` with login/logout routes
+
+### Styles
+- Updated `app/assets/css/app.css` with auth page styling
+
+### Documentation
+- `AAA_DESIGN.md` - Complete AAA design specification
+- `AAA_IMPLEMENTATION.md` - This file
+
+## Implementation Checklist
+
+### Authentication
+- [x] Users table migration created
+- [x] Users repository with authentication methods
+- [x] User entity/model with authentication helpers
+- [x] Login form template
+- [x] Login action (GET and POST)
+- [x] Logout action
+- [x] Login/logout routes
+- [ ] BCrypt added to Gemfile (pending bundle install)
+- [ ] Session management middleware
+- [ ] Current user helper for views
+- [ ] Registration flow
+- [ ] Password reset functionality
+- [ ] Email confirmation system
+
+### Authorization
+- [ ] Role definitions (player, tournament_admin, club_admin, system_admin)
+- [ ] Permission matrix implementation
+- [ ] RBAC middleware
+- [ ] Role assignment UI
+- [ ] Route protection
+
+### Accounting
+- [ ] Activity logging system
+- [ ] Audit report UI
+- [ ] Activity feed
+
+## Next Steps
+
+1. Install BCrypt: `bundle install`
+2. Create registration action and template
+3. Implement session management middleware
+4. Add current_user helper to base action
+5. Create password reset flow
+6. Build email confirmation system
+7. Implement role-based authorization
+8. Add activity logging
+
+## Security Features Implemented
+
+### Account Lockout
+- After 5 failed login attempts, account is locked for 15 minutes
+- Prevents brute force attacks
+
+### Password Storage
+- Passwords will be hashed with BCrypt
+- Never stored in plaintext
+
+### Session Security
+- Session cleared on logout
+- User ID and player ID stored in session
+
+### Input Validation
+- Email format validation
+- Password required
+- Form submission protection