- Switch U2Net from onnxruntime to OpenCV DNN to avoid
"cannot enable executable stack" error in Docker
- Add alertify dialog styling to fix white text on white
background issue in popups
- Add offerFloatSelection() to AI Paint that prompts user
after selection to move/scale it (Canva-like workflow)
- Auto-switch to Select tool after floating selection
https://claude.ai/code/session_01CLedz6CanT9t46KBvng3vz