With Chrome announcing support for UIA, it might be worth retesting some of your patterns with Narrator, Voice Access, Magnifier: developer.chrome.com/blog/wind…

I didn't think UIA was quite mature, but I am also old enough to forget Windows’ prior but somehow also current #accessibility APIs. So I may simply be wrong.

#a11y

Introducing UIA support on Windows  |  Blog  |  Chrome for Developers

From Chrome 126 the Windows UI Automation framework is supported.

^{Chrome for Developers}