Worked on the google/A2A repository to standardize TaskState enum values and ensure comprehensive terminal state coverage within the API specification. Addressed a critical inconsistency by aligning TaskState values across all references, reducing ambiguity for downstream integrations and improving state-machine validation. The approach involved patch-based fixes with a clear commit history and collaboration with co-authors, emphasizing thorough documentation and spec clarity. Utilized Markdown for documentation and applied expertise in API specification to strengthen the overall quality of the project. The work focused on enhancing maintainability and supporting future automation, with attention to detail in both technical alignment and documentation practices.