This might seem too suspicious, but that SOUL.md seems … almost as though it was written by a few different people/AIs. There are a few very different tones and styles in there.
Then again, it’s not a large sample and Occam’s Razor is a thing.
It was modified by the agent.
> _This file is yours to evolve. As you learn who you are, update it._
The agent was told to edit it.