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James PineandClaude Opus 4.6
0317626677
Applies the cache_dir portion of #218. On Windows local setups, model assets can split between .hf-cache/hub and .hf-cache/transformers when Qwen3TTSModel.from_pretrained doesn't explicitly pin the cache root — speech_tokenizer and preprocessor_config.json then fail to resolve during load, causing 500s at generation time. Routes both HF Hub and Transformers through hf_constants.HF_HUB_CACHE. Skipped the torch_dtype= → dtype= rename from #218: transformers 4.36 (our minimum) doesn't accept the dtype alias, only 4.46+. Once we bump the minimum we can make that change. Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>