oxfmt formats markdown, and the file added in #3165 was not run through it.
main's Format check has been failing since that merge, which also fails every
open PR, since CI checks the merge with main.
Working in packages/studio for the first time costs a day rediscovering things
the source does not show: that the chrome is a measurement drawn in Studio's
document over an iframe, that some gestures cannot be synthesised at all so a
driver needs window.__studioTest, that the diagnostic channels exist and are
off by default, that bare `bun test` reports failures that are not real, and
which gates reject a PR.
Scoped to the package, following docs/AGENTS.md, and pointed at from the
project-structure list in both root files so it is found before the first edit
rather than after.
Miguel Ángel