Developed and delivered the finance receipt attachment feature for the Hack-PSU/apiv3 repository, enabling users to upload and associate receipt files with finance entries. This feature leveraged TypeScript and NestJS for backend API development, integrating Google Cloud Storage to securely store uploaded files and generate shareable URLs. The implementation focused on improving documentation, auditability, and expense tracking by allowing receipts to be easily attached and referenced. Work was completed in a single, focused commit, laying the foundation for future enhancements such as scalable attachment support and metadata enrichment. No major bug fixes were addressed during this period, emphasizing feature delivery.