A final pass over the docstrings and comments: "the own X of Y" is now
"Y's own X" (84 places), a navigation entry is a screen on the stack, our
node is our node, a paint is a paint, the quoted UX labels are in code
font, and a list of punctuation glyphs is in code font.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>