🧠 Creature Brain Demo

This is the real controller, not a cartoon: Hodgkin–Huxley neurons, the same fixed sensory→hidden wiring, the same looming hazard channel and flinch reflex as the validation sim. For browser speed the neuron rate curves are precomputed into a fine lookup table (0.05 mV steps, interpolated) instead of evaluating exponentials every step — same equations, about 3.6× faster in testing. A life here runs the same physics — only the world seed is new. The champion's full story, numbers, and the failed attempts to beat it are in the write-up.