Worked on the getsentry/sentry-javascript-bundler-plugins repository, delivering a type-safety enhancement for the bundler plugin core. Focused on improving the API by updating TypeScript definitions to explicitly allow the authToken option to be undefined, this change clarified the contract for plugin authors and reduced the risk of integration errors. The approach aligned with established API design principles, supporting safer usage and smoother onboarding for contributors. Leveraging skills in frontend development, type definitions, and TypeScript, the work strengthened the core tooling’s reliability. No major bug fixes were reported during this period, with efforts concentrated on feature development and type clarity.