Saiansh worked on the get-convex/convex-helpers repository, delivering a feature that enhanced session argument handling for session queries and mutations. By refactoring TypeScript code to treat partially defined arguments as optional and making the args parameter optional in a targeted conditional branch, Saiansh improved both type safety and API usability. The work involved careful updates to type definitions and the type system, ensuring consistency across SessionArgsAndOptions and reducing potential runtime errors. Through focused refactoring and testing, Saiansh aligned the codebase with best practices, resulting in safer and more predictable session operations that benefit both developers and end users.