Worked on the sst/opentui repository to deliver a cross-chunk text navigation enhancement, focusing on improving the editing experience for multi-chunk documents. Developed an optimized getNextWordBoundary function that searches through subsequent text chunks after the cursor, enabling seamless navigation and reducing the need for manual scrolling. This feature addressed issue #394 and laid the foundation for future cross-chunk operations within the editor. The work involved applying algorithm optimization and data structure techniques in Zig, with an emphasis on robust text editing functionality. The contribution improved reliability and productivity for users working with complex, segmented documents in the opentui environment.