Just confirmed, for the scenario where you have 1 app everything works as expected
In scenario that you work over multiple apps (i.e. you could do a copy of content between apps)
var squidexOptions = new SquidexOptions()
return new SquidexClientManager(squidexOptions);
It gets a bit harder due too the HttpClientFactory using the DI variant.
Need to look into that a bit more, perhaps for my scenario I need a custom IAuthenticator that uses an AsyncLocal.
PS
I noted that every method except AddSquidexHttpClient is an extension method, s this on purpose?