Contributed to the oxc-project/oxc repository by enhancing the TypeScript linting experience through enriched diagnostics and actionable guidance for six key lint rules. Leveraging Rust and TypeScript, modular pull requests introduced comprehensive help messages and contextual notes, guiding developers on proper type usage and error remediation. The approach focused on integrating .with_help() and .with_note() methods to reduce confusion and accelerate issue resolution, resulting in clearer feedback and a more consistent typing experience. This work improved the overall quality of TypeScript codebases by streamlining remediation steps and aligning diagnostics with user needs, demonstrating expertise in linter development and collaborative delivery.