Worked on enhancing error handling for the WebGPU path in the google/dawn repository by introducing specialized exception types in Kotlin. Focused on creating granular error differentiation, the developer implemented distinct exceptions for validation, out of memory, internal, and unknown errors, replacing generic error handling with more informative and actionable responses. The error handling architecture was refactored to improve debuggability and resilience, ensuring that exceptions provide clear context for developers. Tests were updated to expect the new ValidationException, aligning with the revised error model. This work leveraged skills in Android development, exception management, and WebGPU, contributing to more robust code quality.