OK, I tried TLDR: Waste of time, AICP-S is BROKEN for Pro1!!!
I gave AICP a final chance by infesting a windows-pc with Phewton (it was already infested with GIT) and extracted the boot.img from the zip.
Following this guide https://wiki.lineageos.org/extracting_blobs_from_zips#extracting-proprietary-blobs-from-payload-based-otas
(adjusted as needed...)
Infested a PC with Python, https://www.python.org/
Downloads
Download for Windows, Python 3.11.2
Found pip.exe and installed packages needed
C:\Users\Administrator\AppData\Local\Programs\Python\Python311\Scripts