Applied upstream commit 94a32493e (modeld_v2 chestnut support). Skipped CI workflow files (deleted in this fork). Replaced vendored tinygrad_repo with submodule commit 66ee3cfb4. Rebuilt libparams_c.so for new ModelManager/USBGPU params.
date: 2026-08-15T14:20:10 master commit: d48cfa730bf21593b684efeaf3fd8940695e1dea