Jimmy focused on stabilizing quota retrieval in the justlovemaki/AIClient-2-API repository by delivering a targeted bug fix for the RetrieveUserQuota API integration with gemini-cli. He identified and corrected the project property in the API request body, ensuring that quota calculations were accurate and API calls returned reliable data. Working primarily with JavaScript and leveraging his API development skills, Jimmy maintained strong traceability through a focused commit and clear documentation. While the scope of work was limited to a single bug fix over one month, his contribution improved downstream reliability and reinforced adherence to the API contract for future integrations.