In June 2025, João Manuel Silva enhanced the heroiclabs/hiro repository by making the 'category' field optional within Hiro schemas, addressing a key pain point in data validation and schema design. Using TypeScript, he removed the mandatory constraint on this field, which streamlined both validation and storage processes for data entries that do not require a category. This adjustment facilitated easier schema evolution and reduced unnecessary rework, aligning with broader business goals of flexibility and developer productivity. The work demonstrated a focused approach to schema management, with clear traceability through documented commits, though the scope was limited to a single feature.