Worked on enhancing type hinting for parser envelope generics in the aws-powertools/powertools-lambda-python repository, focusing on improving static typing and developer experience for Lambda applications. Introduced a generic type variable across envelope classes, enabling more accurate type inference and broader support for primitive types within the parser utility. Leveraged Python and type hinting techniques to align with internal typing goals, resulting in stronger static analysis and improved IDE autocompletion. This update reduced type-checking friction for downstream integrations, facilitating faster onboarding and more reliable development workflows for users working with Lambda functions and Python-based serverless architectures.