Worked on backend and frontend features across renovatebot/renovate and open-pioneer/trails-openlayers-base-packages, focusing on API integration and TypeScript development. In renovatebot/renovate, implemented project-scoped pull request fetching for Azure DevOps, filtering by project ID to exclude forks and improve CI reliability. This approach aligned with Azure platform best practices and enhanced the relevance of pull requests for review. In open-pioneer/trails-openlayers-base-packages, delivered WMTS layer improvements by adding parameter validation, enhancing error reporting, and tightening TypeScript typings. These changes increased type safety and reliability in WMTS-based maps, demonstrating a methodical approach to maintainability and developer experience in TypeScript projects.