Rolling build

The tip of main, built by CI. Replaced on every push, so the
links below always point at the newest one.

Commit f443d66de9d370dd66d47ebc99f04eeddbc902fa.

Phone builds have not been run on a device by anyone. The APK is
debug-signed and installs with adb install -r eui.apk; the iOS
simulator build needs no signing; the iOS device build is
unsigned and wants an identity on the way to a phone.