Jiewen Wang delivered a metadata and compliance enhancement for the coinbase/x402 repository, focusing on replacing outdated Heurist Deep Research metadata with the new Heurist Facilitator metadata. This update improved service interoperability and compliance coverage across the Heurist ecosystem. Jiewen approached the project through careful API integration and backend development, coordinating changes across multiple repositories to ensure consistency. The work centered on data management using JSON, emphasizing metadata governance and future-proofing the ecosystem for upcoming updates. Over the month, Jiewen’s contributions provided a foundation for clearer compliance metadata and streamlined service updates, reflecting a focused and methodical engineering approach.