Here’s a feature description based on your prompt, written as if for a game or simulation tooltip, patch note, or developer log.
The Procedural Content Generation (PCG) solver now includes an Auto-Difficulty Tuning system. When generating or solving a model, the solver evaluates key parameters—such as constraint density, variable interdependence, and search space complexity—and assigns an internal difficulty level from 1 (Very Easy) to 5 (Extreme). Here’s a feature description based on your prompt,