Start from a single sentence and press space. Four continuations grow in parallel — sampled at rising temperatures, tame at the top, feral at the bottom. Click one (or press 1–4) to walk into it; the text you abandon withers but never disappears. ← and → walk the path you have taken.
Fainter words were less probable. Every fork you didn’t choose is still there, one step back.
For now the library is simulated by a small built-in mock engine; a live LLM gateway speaking the same streaming contract is the next step.