During January 2025, this developer enhanced the grafana/k6-DefinitelyTyped repository by extending SSH2 typings to support public key authentication hash algorithms. They introduced a hashAlgo property to the PublicKeyAuthContext, enabling more flexible and precise authentication workflows for SSH-based key verification. The implementation, written in TypeScript and leveraging Node.js, included comprehensive updates to test coverage to ensure the new hash algorithm behavior was correctly validated during public key signature verification. This focused contribution improved the security posture and interoperability of Grafana’s tooling ecosystem, demonstrating a solid understanding of SSH protocols and type safety within a modern JavaScript environment.