- Add SQLAlchemy models for User, Translation, ApiKey, UsageLog, PaymentHistory
- Add database connection management with PostgreSQL/SQLite support
- Add repository layer for CRUD operations
- Add Alembic migration setup with initial migration
- Update auth_service to automatically use database when DATABASE_URL is set
- Update docker-compose.yml with PostgreSQL service and Redis (non-optional)
- Add database migration script (scripts/migrate_to_db.py)
- Update .env.example with database configuration
Changes:
- Removed hardcoded admin credentials (now requires env vars)
- Added Redis session storage with in-memory fallback
- Improved CORS configuration with warnings for development mode
- Added retry_with_backoff decorator for translation API calls
- Updated pricing: Starter=, Pro=, Business=
- Stripe price IDs now loaded from environment variables
- Added redis to requirements.txt
- Updated .env.example with all new configuration options
- Created COMPREHENSIVE_REVIEW_AND_PLAN.md with deployment roadmap
- Frontend: Updated pricing page, new UI components