https://github.com/nostr-protocol/nips/pull/1734

already merged into khatru and go nostr. and supported on alienos relay.

also, i was developing a management api client like you, but using shascn and svelte, but im not able to develop it for a long time probably since im very busy. you can take a look at it to use or inspire the ui maybe:

https://github.com/dezh-tech/mangostr

i hope we see amazing updates from your project. 🫡🪼