Over a three-month period, contributed to the powersync-ja repositories by enhancing demo applications, refining documentation, and improving production readiness. Focused on stabilizing dependencies in the example-nextjs demo using Node.js and PNPM, and expanded demo coverage with new .NET applications, updating YAML-based documentation to streamline onboarding. Addressed observability by integrating client-side logging with Sentry in the PowerSync SDK, providing practical TypeScript code examples for error monitoring. Further, clarified raw table usage in documentation to reduce misconfiguration risks and support needs. The work emphasized maintainability, risk communication, and robust error handling, demonstrating a methodical approach to client-side development and documentation.