Just going to leave this here https://github.com/bitcoin/bips/pull/1687
There are folks working on SP for BDK already, you can see some of the required steps for a full impl in this tracking issue:
https://github.com/bitcoindevkit/bdk/issues/1114#issuecomment-2286966409
And checkout some early related work here:
Just going to leave this here https://github.com/bitcoin/bips/pull/1687
ðŸ¤
