Hand-written package for the engine /v1/training API: ServiceClient +
TrainingClient (create/list/get/delete/forward_backward/optim_step/
sample/save_weights), dataclasses, sync httpx, completed-future
.result() wrapper so tinker fut.result() code ports 1:1. 22 pytest
tests over httpx.MockTransport, no network.
Wired like siblings: publish-pypi hanzo-train-* tag case, rye+uv
workspace member, uv source, pyright exclude. uv.lock relock also
catches the lockfile up to on-disk truth (hanzoai 3.1.1,
hanzo-tools-browser 0.5.10) -- no package versions changed.