Andrew Flockhart worked on the coinbase/onchainkit repository, focusing on stabilizing the Wallet Demo by addressing a critical import issue. He identified and fixed a missing WalletDefault import in the WalletDemo component, ensuring the demo ran without runtime errors and improving reliability for both developers and partners. Using React and TypeScript, Andrew applied targeted debugging and Git-driven change management to resolve the problem, linking his work to issue #1633 for traceability. This fix reduced onboarding friction and debugging time, resulting in smoother demo experiences and more efficient iteration cycles. His contributions demonstrated solid front end development and problem-solving skills.