Developed a lifecycle-aware WhatsApp feature for the moltbot/moltbot repository, introducing dynamic emoji reactions that reflect message processing stages in real time. Focused on maintainability and business value, the work included creating emoji categories for clearer status communication and implementing flexible configuration options for timing and emoji customization. Leveraging TypeScript and full stack development skills, the developer ensured the feature could be easily adapted to various deployment needs. Collaboration was emphasized through co-authoring and thorough code review, with changes merged via squash for a clean commit history. The work demonstrated attention to user experience and robust API integration within messaging workflows.