Worked on the zed-industries/zed repository to enhance the animation API by implementing the ParentElement trait for AnimationElement, enabling nesting of child elements after animations. This improvement addressed an edge case in UI framework development where chaining .child() calls post-animation was previously unreliable. The solution included a targeted regression test to ensure stability and prevent future issues in complex animation pipelines. Delivered as a focused Rust commit, the change improved API ergonomics, maintainability, and test coverage. Collaboration and thorough self-review were demonstrated throughout, resulting in a more robust and reliable animation workflow for developers working with the framework.