Non-invasive SageAttention compatibility guard for ComfyUI. Auto-detects GQA, non-standard head_dim, and complex attention masks, falling back to native PyTorch SDPA without modifying ComfyUI core or virtual environment packages.
https://github.com/love530love/comfyui-sage-guard
git clone https://github.com/love530love/comfyui-sage-guard
comfy node install comfyui-sage-guard