Worked on the get-convex/convex-helpers repository to deliver a feature enhancing session argument handling for session queries and mutations. Refactored TypeScript code to treat partially defined arguments as optional and made the args parameter optional in a targeted conditional branch, improving both type safety and API usability. Focused on type definitions and the type system, the changes addressed edge cases and ensured consistent behavior across SessionArgsAndOptions. Emphasized testing and careful refactoring to reduce runtime errors and developer friction. The work aligned with the goal of safer, more predictable session operations, maintaining code quality and supporting maintainable, robust TypeScript applications.