Himank Jain enhanced the InjectiveLabs/injective-ts repository by implementing per-item error reporting for the awaitForAll utility, introducing an optional onError callback to improve error visibility and reliability in batch promise handling. Using JavaScript and TypeScript, he ensured that the new feature maintained backward compatibility, so existing code paths remained unaffected. Himank also developed targeted tests to validate all-success scenarios, per-item failure reporting, and argument correctness, while refining the test suite’s readability by standardizing import order. His work demonstrated a thoughtful approach to error handling and testing, addressing silent failure issues and contributing to more maintainable front end development workflows.