Reading new "Quota" usage / AI Credits expended + Limits

[MHoeppASM]

Previously I could call the following method to get the current statistics about remaining requests, total requests, overage etc.:
await client.Rpc.Account.GetQuotaAsync();

Now I cannot get this information for the new Nano AIU / AI Credits anymore. At least not for the complete account.
What I'm currently implementing is creating a histogram of session costs which were caused by my application (which is using GitHub Copilot SDK for C# ), so that I can at least show some stats again by harvesting the session metrics before disposing the sessions, but if the account is used by other applications I can never display the full picture.

Are the new metrics by account just not implemented yet, or am I missing a method?