Custom Models

[The-Hasanov]

• Introduced ModelFactory class for centralized model instantiation
• Replaced direct new Model() calls with ModelFactory usage across the codebase
• Improved maintainability, flexibility, and testability
• Simplified constructor logic and reduced duplicated setup code
• Enhanced decoupling from specific model classes
• Increased consistency in model creation patterns
• Prepared foundation for easier dependency injection or future configuration
• Updated internal documentation and adjusted related tests
• Maintained backward compatibility while encouraging factory usage
• Suggested README update to document new factory approach