During July 2026, contributed to the xingguangcuican6666/ABK repository by developing two customer-facing features focused on user experience and maintainability. Implemented an adaptive theme system that defaults to the device’s system theme on first launch, enhancing visual consistency for users. Designed and built a runtime module update framework that securely fetches remote JSON metadata, compares versions, downloads ZIP packages with SHA-256 validation, and provides a user interface for updates and changelogs. Leveraged Kotlin, Jetpack Compose, and OkHttp to ensure robust asynchronous operations and secure data handling. Enhanced asset storage and directory management to support future modular updates and streamlined workflows.