Worked on moltbot/moltbot to deliver a targeted stability improvement by addressing context leakage in exec tool-call abort listeners. Using Node.js and TypeScript for backend development, implemented a cleanup mechanism that ensures completed exec tool-calls do not retain session context within AbortSignal listener state. This approach prevents stale context from affecting subsequent runs, improving the reliability of both foreground and background execution flows. The solution involved careful management of listener lifecycles, with cleanup triggered upon process completion or background yield. Changes were validated through pull request checks, diff verifications, and collaboration with cross-team reviewers to ensure robust and maintainable results.