Worked on the moltbot/moltbot repository to enhance the reliability of messaging workflows by improving Feishu and webhook integrations. Focused on backend development using Node.js and TypeScript, the work introduced robust error handling for FeishuStreamingSession, ensuring scheduled card flush updates no longer result in unhandled promise rejections. Diagnostic logging was added to capture and log transient failures, increasing observability. Additionally, implemented bounds and validation for OAuth and Discord webhook responses to prevent oversized or malformed payloads, directly improving system stability and user experience. The contributions included both implementation and thorough testing, reflecting a focus on code quality and maintainability.