Speech, search, and Stable Diffusion — calling HuggingFace from C#

TL;DR. I wrote DotNetPy, a small C# library that calls into CPython via the C API. sentence-transformers, speech-to-text with Whisper, and text-to-image with Stable Diffusion Turbo — and a verification matrix that runs them under classic CPython 3.13 and the new free-threaded builds (3.13t / 3.14t).