Ava Howell enhanced the penumbra-zone/penumbra repository by developing automated randomized test vector generation for effect hash testing. She focused on strengthening protocol reliability by implementing a system that creates diverse, random transaction plans to rigorously validate effect hash computations. Using Rust and leveraging her expertise in cryptography and protocol development, Ava introduced new dependencies to support this workflow and delivered a comprehensive test file with strategies for generating varied transaction scenarios. This work reduced regression risk and accelerated test cycles, providing a robust foundation for future protocol updates. Her contributions reflect a deep, methodical approach to protocol testing and validation.