Sunspots

Probably, I know of at least one project https://liu.se/en/news-item/har-testas-autonom-sjoraddning-i...

The name is not even BattleNet. It's literally always been branded "Battle.net"

In an attempt to mitigate this, you could include the examples in your testing suite, at least to see that it still compiles properly. This is sort of standardised in the flow of Go, with godoc and the testing framework. Both uses examples from the same test files, producing standalone docs and testing them(at a minimum compiling them) .

Firebase has anonymous accounts which you later can connect with a new login provider (password, FB, google, etc) to provide persistent login.