btnPrintPage-0 reports an in-viewport a11y frame but stays unhittable
and scroll-wheel events on the LazyVGrid are inert; drag the vertical
AXScrollBar thumb to perform a real scroll before clicking.
The handheld chartread test could drop a btnTrigger click racing the
strip state transition; poll btnTrigger until btnDoneRead appears
instead of assuming exactly two strips.
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Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>