Worked on the Effect-TS/effect repository, focusing on improving type-safety and developer experience for TypeScript users. Addressed a critical bug in the WebSdk.layer module by correcting swapped type arguments, which had caused inaccurate type inference when evaluating Effect arguments. This targeted patch restored proper type argument order, aligning with TypeScript generics best practices and reducing the risk of compile-time errors for library consumers. The work demonstrated a strong understanding of TypeScript’s type system and software development principles, resulting in more reliable type inference and enhanced code quality for projects relying on Effect in TypeScript environments. No new features were added.