alpha build: hide virtual keyboard

alpha build: add toggle_keyboard command

style: inline single-expression when in shouldHideKeyboardArea

style: inline single-expression when in shouldHideKeyboardArea

Satisfy Spotless / ktlint: collapse the multi-line when to a single-expression
inline form, matching the project style.

https://claude.ai/code/session_01YC6PT5cBHA4gzVESfHgjZd

alpha build: toolbar position & hide-virtual-keyboard prefs