docs: add project documentation and design files

Add comprehensive documentation for project planning and design.

Changes:
- Add TODO.md with project progress tracking
- Add UI_DESIGN.md with frontend view specifications
- Add AAA_DESIGN.md with authentication system design
- Add AAA_IMPLEMENTATION.md with authentication progress tracking

TODO.md

@@ -0,0 +1,135 @@
+# EuchreCamp - Project Todo List
+
+## Completed Features
+
+### Backend
+- [x] Database schema for matches, players, teams, events
+- [x] Elo rating calculator and job
+- [x] Partnership tracking and analytics
+- [x] Tournament generator (round-robin, single elim, double elim, Swiss)
+- [x] ROM relations and repositories
+- [x] Acceptance test suite (8 tests passing)
+
+### Frontend
+- [x] Basic player rankings page
+- [x] Match entry form
+
+## In Progress - UI Development
+
+### Completed
+- [x] Navigation layout (app.html.erb)
+- [x] UI Design document (UI_DESIGN.md)
+- [x] Player Profile template (existing)
+- [x] Basic CSS styling
+- [x] Player Schedule view (action + template)
+- [x] Route for player schedule
+
+### View Types to Implement
+- [ ] Tournament Admin View (Phase 2-3)
+  - Create/manage tournaments
+  - Set up brackets and matchups
+  - Record match results
+  - View tournament standings
+
+- [ ] Club Admin View (Superuser) (Phase 3-4)
+  - Manage all players
+  - View club-wide statistics
+  - Configure club settings
+  - Manage tournaments
+
+- [ ] Player Profile View (Phase 1-2)
+  - Display player info and Elo rating
+  - Show partnership analytics
+  - Display match history
+  - Tournament participation
+  - Enhance existing template
+
+- [ ] Player Tournament Schedule View (Phase 4)
+  - Show upcoming matches
+  - Display tournament brackets
+  - Record personal match results
+
+### UI Components Needed
+- [x] Navigation system (role-based) - Started
+- [ ] Dashboard layouts
+- [ ] Forms for data entry
+- [ ] Tables for displaying data
+- [ ] Charts for statistics
+- [ ] Bracket visualization
+
+### Implementation Phases
+- [ ] Phase 1: Navigation & Layout (Week 1)
+- [ ] Phase 2: Player Profile Enhancements (Week 1-2)
+- [ ] Phase 3: Tournament Admin View (Week 2-3)
+- [ ] Phase 4: Club Admin View (Week 3-4)
+- [ ] Phase 5: Player Schedule View (Week 4)
+- [ ] Phase 6: Polish & Testing (Week 5)
+
+## Future Enhancements
+
+### Features
+- [ ] Real-time match updates
+- [ ] Mobile-responsive design
+- [ ] Email notifications
+- [ ] Import/Export functionality
+- [ ] API for third-party integrations
+- [ ] Login/AAA System (Authentication, Authorization, Accounting)
+
+### Technical
+- [ ] Performance optimization
+- [ ] Caching strategy
+- [ ] Security hardening
+- [ ] Deployment pipeline
+
+## AAA System (Authentication, Authorization, Accounting)
+
+### Authentication
+- [x] Create users table migration (db/migrate/20240915000008_create_users.rb)
+- [x] Create users repository (app/repositories/users.rb)
+- [x] Create users model/struct (lib/euchre_camp/entities/user.rb)
+- [x] Build login page template (app/templates/auth/login.html.erb)
+- [x] Build login action (app/actions/auth/login.rb)
+- [x] Build logout action (app/actions/auth/logout.rb)
+- [x] Add login/logout routes
+- [x] Add BCrypt to Gemfile
+- [x] Install BCrypt (bundle install)
+- [x] Update base Action with authentication helpers
+- [x] Add current_player to views
+- [ ] Create registration action and template
+- [ ] Add session management middleware
+- [ ] Password reset functionality
+- [ ] Email confirmation system
+
+### Authorization
+- [ ] Define roles (player, tournament_admin, club_admin, system_admin)
+- [ ] Implement RBAC middleware
+- [ ] Add role assignment UI
+- [ ] Protect routes based on permissions
+- [ ] Permission checks in actions
+
+### Accounting
+- [ ] Create activity logging system
+- [ ] Track authentication events
+- [ ] Track tournament management events
+- [ ] Track match recording events
+- [ ] Build audit reports UI
+
+### Security
+- [ ] Rate limiting on login attempts
+- [ ] IP-based lockout (partially implemented in users repo)
+- [ ] Secure cookie settings
+- [ ] CSRF protection
+- [ ] Security headers
+- [ ] Session fixation prevention
+
+## Known Issues
+- [ ] Database IDs not resetting between tests (workaround: query by round_number)
+- [ ] Need to clean up debug output from acceptance tests
+- [ ] README is minimal and needs expansion
+
+## Next Steps
+1. Design UI mockups for each view type
+2. Implement navigation system
+3. Build out Tournament Admin view
+4. Add role-based access control
+5. Create reusable UI components