Worked on enhancing the stability of HTTP instrumentation in the getsentry/opentelemetry-js repository by addressing a critical bug related to malformed Forwarded headers. Applied robust error handling techniques in JavaScript and TypeScript, wrapping the header parsing logic in a try-catch block to prevent crashes and ensure safe fallback behavior. This approach improved the resilience of the instrumentation pipeline, reducing the risk of production failures and increasing trace reliability. Focused on error handling and testing within a Node.js environment, the work contributed to a more robust tracing infrastructure by ensuring that malformed headers no longer disrupt HTTP instrumentation or application stability.