There somewhere where "dreaming" is really jargon, a technical term of art?
I thought it would be taken as an obvious poetic analogy, (versus "think" or "know") while also capturing the vague uncertainty of what's going on, the unpredictability of the outputs, and the (probable) lack of agency.
Perhaps "stochastic thematic generator"? Or "fever-dreaming", although that implies a kind of distress.
