pi-utils-ui: v0.5.1

Patch Changes

• 42fb565: Fix TabsTheme typing so a real pi Theme satisfies it: fg() no longer accepts "selectedBg" (pi treats it as a background token) and bg() now takes "selectedBg" only. Widen optional peer dependencies @earendil-works/pi-coding-agent and @earendil-works/pi-tui to >=0.74.0 <2 so Pi 1.0.0 is supported.