Worked on enhancing the Telegram integration for the openclaw/openclaw repository, focusing on improving the reliability of Direct Message routing in multi-chat environments. Addressed cross-chat conflicts by scoping DM topic thread keys to individual chat IDs, which required updating the parsing logic for thread identifiers and refining related test cases. This approach ensured that messages were accurately routed and prevented thread collisions across different chats. The work was implemented using TypeScript and involved backend development, API integration, and comprehensive testing. These changes resulted in more robust DM delivery and improved test coverage for Telegram conversation flows within the project.