Here's a comparison of some covenant proposals for bitcoin and which of 3 (relatively) near term features they support.
TXHASH/TX+CSFS lack BIPs or code (+bikeshed)
APO+CTV or APO+github.com/bitcoin/bips/pull… (https://github.com/bitcoin/bips/pull/1472) open up design space for bitcoiners and are ~ready now
https://nitter.moomoo.me/reardencode/status/1678991950551339014#m