- Add migrateQimenSupport method to DatabaseManager
- Automatically update numerology_readings table constraint on startup
- Support qimen type in CHECK constraint for Koyeb deployment
- Prevent SQLITE_CONSTRAINT_CHECK error in production
- Enhanced input validation and error handling across all services
- Added comprehensive JSDoc documentation for all major functions
- Improved database operations with transaction management and better error handling
- Added PropTypes validation and error boundaries for React components
- Unified error handling patterns across backend services
- Reduced code duplication in API routes with shared validation functions
- Enhanced security with stricter input validation and SQL injection prevention
- Improved user experience with better error messages and retry functionality
- Add automatic migration from analysis_id to reading_id in ai_interpretations table
- Handle existing production databases with old schema structure
- Preserve valid numeric ID records during migration
- Prevent deployment failures due to schema changes
- Updated .env file with correct VITE_API_BASE_URL for local development
- Fixed API endpoint routing from localhost:5173 to localhost:3001
- Tested npm run build successfully with no errors
- Updated database and server configurations
