Community PR: YDB storage backend for Vault (#31908) — seeking feedback

Hi everyone,

I’m working on adding YDB as a built-in physical storage backend for Vault and would appreciate guidance from the Vault team (especially storage/core) before the PR sits too long without review.

Links

Questions

Is HashiCorp open to accepting YDB as a built-in storage backend in the core repository?

Also, is there anything we should change upfront (scope, API surface, auth methods, test approach) to make a first-pass review easier? Would splitting the PR help — e.g. core backend first, test helpers separately?

We’re happy to adjust the design or scope based on maintainer feedback. Any pointer on the preferred next step would be very helpful.

Thanks!

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