The "Not compatible" section of the app compatibility with GrapheneOS thread touches base on similar issues.
Fillen0809 It checks if Play services are present, if no, the app becomes unusable, and if yes, it forces the user to log in.
In the same thread, the "Important announcements" section mentions:
For more details, see the planned feature on this topic at the GrapheneOS issue tracker: Issue #1986.
However, that is more specifically related to if your device fails to pass MEETS_DEVICE_INTEGRITY or MEETS_STRONG_INTEGRITY.
Fillen0809 Is there something that either the user or the GrapheneOS developers can do to bypass this? Has anyone found a workaround or a solution?
Generally speaking, apps and/or services that do no come bundled/preinstalled with GrapheneOS are considered Offtopic
.
Fillen0809 Also, why is there no tag for topics regarding Sandboxed Google Play services on the forum?