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Docker-based ComfyUI setup for NVIDIA DGX Spark ARM64 + sm_121: - CUDA 13.0.2 base (required for compute_121 support) - PyTorch 2.9.1+cu130 ARM64 wheels - SageAttention compiled with TORCH_CUDA_ARCH_LIST="12.1" - Triton/torch.compile disabled (no sm_121 support yet) - ComfyUI-Manager auto-installed at runtime - Configurable model/data paths via .env 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>