Huihua Zhang developed two core features over two months, focusing on plugin development and configuration management for the Sifchain/sa-eliza and elizaos-plugins/registry repositories. Huihua built the Apro Plugin for Eliza OS, enabling advanced agent interactions, on-chain data validation, and real-time price queries by integrating live price data APIs and implementing private key management using Node.js and TypeScript. In the following month, Huihua enhanced the plugin registry by integrating the APRO ATTPs plugin, updating configuration files and index.json to support scalable onboarding. The work demonstrated depth in API integration, data validation, and extensible plugin architecture without addressing bug fixes.