Complete authentication system deployment with full dependency resolution

- Fixed PyJWT dependency issue in requirements.txt
- Added email-validator for pydantic email field validation
- Successfully deployed complete authentication stack
- All services now running (6/6) with authentication system active

Final deployment status:
✅ Backend: anthonyrawlins/hive-backend:auth-system-final (1/1)
✅ Frontend: anthonyrawlins/hive-frontend:auth-system (1/1)
✅ Database: postgres:15 (1/1)
✅ Redis: redis:7-alpine (1/1)
✅ Prometheus: prom/prometheus:latest (1/1)
✅ Grafana: grafana/grafana:latest (1/1)

Authentication features ready:
- JWT Bearer Token system
- API key generation with scopes
- User management with secure authentication
- Complete UI for auth management
- Database initialization with admin user

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

backend/requirements.txt

@@ -23,7 +23,9 @@ asyncssh==2.14.2
 
 # Authentication and Security
 python-jose[cryptography]==3.3.0
+PyJWT==2.8.0
 passlib[bcrypt]==1.7.4
+email-validator==2.2.0
 
 # Configuration and Environment
 pydantic==2.10.4