- merge duplicated eventFilter paths and gate send-by-Enter (P0-02)
- display bash task layers in reverse start-time order while reusing
layer instances and preserving scroll/expand state (P2-01)
- add scoped 8px scrollbars with matching corner for the bash code box
(P2-02)
- rewrite RenameOverlay as a top-level transparent tool window so it
can cover the native WebView2 child HWND (P2-03)