OpenXR API to trigger Guardian Room-Scale setup

Hi,

We’re shipping a Unity app on Meta-OpenXR 2.1 and would like to let users

switch from *Stationary* to *Room-Scale* without leaving the app.

- `OVRBoundary.RequestBoundarySetup()` solves it on the Oculus XR Plugin path,  

  but no equivalent exists on the OpenXR provider.

Questions:

1. Can you confirm there is currently no OpenXR API to invoke the “Define Play Area” wizard?

2. Is Meta planning to expose a `BoundarySetup` extension in future releases?

3. What workflow do you recommend to stay 100 % OpenXR (e.g. Boundary Visibility + on-screen guidance)?

Thanks!