Daniil Atroshchenko focused on enhancing documentation and system clarity for the abdullahproff/BSA21_1 repository over a two-month period. He consolidated and updated architecture diagrams, data models, and image search flow diagrams using PlantUML, emphasizing diagramming and documentation management to improve onboarding and cross-team understanding. His work included iterative updates tracked through multiple commits, ensuring that visuals accurately reflected evolving system designs. In addition, Daniil addressed documentation quality by updating binary PDF assets to resolve inconsistencies, maintaining repository health and user-facing accuracy. His disciplined approach to system design and documentation laid a solid foundation for future architectural decisions and product readiness.