Worked on enhancing the deckhouse/deckhouse-cli project by addressing a critical issue in command line flag handling for the Stronghold command. Focused on improving CLI robustness, the developer disabled Cobra’s default flag interception to support Stronghold-style flags, ensuring advanced flag patterns are correctly processed. This solution was implemented in Go and included comprehensive tests to verify accurate flag propagation and error-free command execution. By refining the command’s compatibility and stability, the work reduced the risk of flag-handling regressions and improved reliability for end-user workflows. The approach demonstrated proficiency in Go, command line interface development, and test-driven engineering practices.