Moved ml-supervised's duplicate GpuTensor (stream-carrying) + GpuLinear +
50 free functions to ml-core/cuda_autograd/stream_ops.rs as StreamTensor
and StreamLinear. ml-supervised/gpu_tensor.rs → 53 lines of re-exports.
Two tensor flavors now canonical in ml-core:
- GpuTensor: takes &Arc<CudaStream> per-call (autograd integration)
- StreamTensor: carries Arc<CudaStream> internally (self-contained ops)
Zero consumer import changes. Both crates compile clean.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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