The numerical validation and WER testing are what stand out to me here. A lot of local ASR projects claim broad model support, but it is often difficult to know whether the converted models still match their reference implementations. Having one embeddable engine across Vulkan, Metal and CUDA, along with maintained language bindings, addresses a real distribution problem. How stable do you expect the C API and model format to be after v0.1? In particular, could an application eventually switch between different model families without needing model-specific preprocessing code?