Over a three-month period, contributed to nrwl/nx and prisma/language-tools by delivering targeted features and stability improvements using TypeScript, Nx, and VS Code extension development. Developed Vitest test runner support for Nx plugins, automating configuration generation and enabling modern testing workflows within the nrwl/nx repository. Addressed a runtime error in the Nest Library Generator by defensively initializing configuration properties, improving reliability for library creation. In the prisma/language-tools repository, resolved a VS Code extension activation issue, ensuring consistent startup and smoother onboarding. Demonstrated a methodical approach to plugin development, testing framework integration, and extension lifecycle management, focusing on maintainability and developer experience.