Developed and delivered a database schema migration for the Link Service within the wowo-zZ/astron-agent repository, focusing on enhancing schema management and ensuring data integrity. Leveraged Alembic and SQLAlchemy to implement controlled schema evolution, supporting compatibility with existing data structures and preparing the service for future feature expansion. Validated the migration through comprehensive unit testing, confirming backward compatibility and robust data handling across environments. Maintained high standards of code quality with clear commit practices, facilitating straightforward code review and traceability. The work established a solid foundation for ongoing database improvements, emphasizing reliability and maintainability using Python and Redis technologies.