[LocalMode] Remove an image's background entirely on-device: SegFormer (Xenova/segformer-b0-finetuned-ade-512-512, ~15MB) segments the subject, the highest-scoring mask is composited as an alpha channel (promoted applyMaskToImage) to a transparent-background PNG shown on a checkerboard Original/Result compariso
pnpm dlx shadcn@latest add "https://registry.directory/r/localmode-ai/ui/blocks/image-studio/background-remover.json"