During February 2026, Iranb developed a self-chat echo prevention feature for the openclaw/openclaw repository, focusing on iMessage integration. They introduced a SentMessageCache with per-conversation scoping and a five-second deduplication window, enabling the backend to detect and discard echo messages that could otherwise cause infinite loops. By leveraging TypeScript and applying backend development and message queuing skills, Iranb implemented timestamped tracking of sent messages, ensuring that incoming messages are efficiently checked against recent activity. This targeted solution improved messaging reliability by eliminating echo-induced noise and established a robust foundation for future cross-platform messaging enhancements within the openclaw/openclaw project.