During December 2024, Artyom Kitov focused on enhancing the reliability of service registration in the Artyom-Kitov/paketnik repository. He addressed a critical bug in port range validation by updating the maximum allowable port from 49151 to 65535, ensuring compliance with standard TCP/IP limits. Working primarily with React, JavaScript, and TypeScript, Artyom validated port handling across both the frontend and backend, preventing misregistrations and reducing user errors. His clear, commit-driven approach improved traceability and release readiness. This targeted engineering effort resulted in fewer support tickets, higher system uptime, and a more robust deployment process for the paketnik codebase.