Marcell developed a safe-fix option for the no-unused-vars linter rule in the oxc-project/oxc repository, focusing on improving import management for modern Rust codebases. By enabling the linter to safely remove unused imports without marking them as dangerous, Marcell addressed the challenge of reducing manual cleanup and pre-commit churn in continuous integration workflows. The implementation leveraged Rust programming and code optimization skills, with attention to linter development best practices. This feature streamlined the developer experience by aligning lint behavior with environments that do not rely on import side effects, resulting in clearer lint semantics and faster feedback cycles for teams.