How's tool support these days to create compress a file with seekable zstd?

Given existing libraries, it should be really simple to create an SQLite VFS for my Go driver that reads (not writes) compressed databases transparently, but tool support was kinda lacking.

Will the zstd CLI ever support it? https://github.com/facebook/zstd/issues/2121

For whatever it’s worth, zeekstd seems to come with a CLI tool: https://github.com/rorosen/zeekstd/tree/main/cli