Patrick Toerner focused on enhancing observability and reliability in the dbos-transact-ts repository by addressing a critical issue with OpenTelemetry span propagation during retry workflows. He implemented a fix in TypeScript that ensures child spans are correctly nested under their respective step spans, rather than the broader workflow span, by wrapping each retry with runWithTrace around runInStepContext. This approach reused existing span logic and was locally validated to improve trace accuracy and downstream instrumentation consistency. Patrick’s work deepened operational visibility for retry logic, supporting faster issue resolution and more reliable backend development using OpenTelemetry and TypeScript.