Selkie--App--Internal--FocusTree
NAME
Selkie::App::Internal::FocusTree - internal focus and tree-state role for Selkie::App
DESCRIPTION
Implementation detail composed by Selkie::App. Use Selkie::App.focus, Selkie::App.focused, Selkie::App.focus-next, Selkie::App.focus-prev, and Selkie::App.widget-attached from application code.
Every path here ā first-focusable, the Tab cycle, the per-frame invariant, and per-screen focus memory ā decides what focus may land on through Selkie::App.focus-eligible, which is the one place the rule lives. See "Focus eligibility" in Selkie::App.