The mobile app can start Google and Apple sign-in when those providers are configured. Live provider login is not available yet. Backend browser OAuth #602 and the configuration guide #600 are ready for review and are not merged. Activation still needs Google and Apple credentials, and there is no Apple developer licence yet.

Merged into app staging in #910 as aa2c02405829359b8e63c28c219d0ecd145986ca. Not deployed. Local gates only.