During November 2024, Alex Lewontin enhanced the canonical/snapd repository by developing improved shell completion for the snap command, specifically targeting local component files with the .comp extension. Alex updated both Bash and Zsh completion scripts, integrating logic to recognize and suggest .comp files during tab completion, which streamlined the developer workflow and reduced manual input errors. The work involved shell scripting and command line interface development, with a focus on robust testing to ensure cross-shell compatibility. By expanding test coverage for the new completion logic, Alex ensured that the enhancement aligned with existing workflows and maintained a high standard of reliability.