Her problem? The Android SDK on Windows.
She plugged in her test device—a battered Pixel 4a. Windows chimed. Device showed up in File Explorer. But adb devices returned an empty list. android sdk on windows
adb devices now showed: PA4B2A023456 device . Her problem
Permission denied. The Android SDK Command-line Tools weren’t even in the folder. She had forgotten to install them through Android Studio’s SDK Manager. android sdk on windows