Worked on backend and DevOps improvements for sveltejs/kit and enhanced stream processing in Effect-TS/effect, focusing on reliability and deployment robustness. Addressed a deployment issue in sveltejs/kit by updating the Netlify adapter to ensure remote functions were correctly included, improving edge function deployment workflows. In Effect-TS/effect, fixed a bug in the OpenRouter streaming path to handle terminal stream chunks containing only usage data, resulting in more robust streaming responses for clients. Leveraged TypeScript and JavaScript across both projects, applying disciplined change management and aligning technical solutions with project reliability and performance goals throughout the two-month contribution period.