Worked on the facebook/lexical repository to enhance editor stability and user experience by addressing two targeted bugs in document editing workflows. Focused on front end development using TypeScript, the work involved refining nested list cleanup to ensure empty parent nodes are removed when a focus block is deleted, thereby maintaining document integrity. Improved link management by ensuring parent links are properly removed when editing linked text with collapsed selections and null URLs. Emphasized robust unit testing throughout, expanding test coverage for list and link scenarios to reduce regression risk and bolster reliability. No new features were added during this period.