https://pypi.org/project/stepbook/ Recent updates to the Python Package Index for stepbook en https://pypi.org/project/stepbook/0.1.0/ stepbook: a harness for long-horizon agent tasks that keeps validated state instead of a growing transcript (based on SKILL.state: Scalable Long-Horizon Agent Skills, arXiv:2608.26263). Sun, 11 Oct 2026 19:23:37 GMT