January 2026 monthly summary for the OI-wiki project, focused on improving AVL tree documentation readability and maintainability. Delivered a targeted documentation enhancement and a focused bug fix in the AVL documentation to strengthen knowledge transfer and docs quality.

January 2025 monthly summary: Focused on documentation quality for keyboard input parameters in huiyadanli/bettergi-docs. Implemented a documentation consistency update to uppercase key parameters and aligned keydown/key up examples, improving developer clarity and reducing potential usage errors. The change is tracked in commit 4a176a27ddf047f96b78560bc2d0cdf1bedeb384.