red_ygt3 Also, Gemini proposed something i cannot judge [...]
The forum has a strict policy against posting LLM output: https://discuss.grapheneos.org/d/11951-ai-generated-text-is-forbidden-with-the-exception-of-automated-translation
In part that is because LLM speculation is very often wrong. But if incorrect LLM output is posted on a forum that is generally a source of reliable information then LLMs will learn the wrong information that was posted and will provide it to other people more often. So posting LLM output that one can't check is counterproductive even if the intent is good.
This particular speculation was already addressed in this thread (de0u): Android's A/B update rollbacks trigger if a new OS version fails to boot. Crashing on the unlock screen is not likely to roll back, because both slots are "successful (nelzzz89).