Why do you delete the companion app as part of creating a backup?

[mmroden]

Device info

Manufacturer: Google
Android version: 14
Custom ROM/rooted? GrapheneOS
Model: Pixel 9 Pro

System info

Available disk space: 100+gb
Operating system: MacOS 13.6

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Describe the issue below.
The companion app is automatically deleted as part of the backup procedure. Why? I would like to have it present so I can just keep backing things up.

[mrrfv]

The app is removed after it's no longer needed for various reasons, like ensuring the correct version will always be used as well as to avoid unnecessarily polluting the backup archive.

I would like to have it present so I can just keep backing things up.

The companion app is nothing more than a helper for the main script running on your computer. It's designed to be installed and used on-demand. You can't start a whole backup through it.