May 21

1. 15:34

   Add htdemucs_fp16weights.onnx (parity-verified vs PyTorch fp32)

   StemSplit
   Verified signature

   d54ed9e
2. 15:34

   Add htdemucs.onnx (parity-verified vs PyTorch fp32)

   StemSplit
   Verified signature

   a98bb9d
3. 15:33

   Add htdemucs ONNX model card, inference script, and requirements

   StemSplit
   Verified signature

   a03a3ce
4. 15:33

   initial commit

   StemSplit
   Verified signature

   491e8d4