- VALIDATE_INPUTS lets unknown family labels reach create()
- no size is listed under two chips; SD 1.5 3:4 gets true 3:4 sizes
- model change before the families payload loads is applied on load
- custom ratio: clear error on chip click, cap sides at 8192, accept X
- real-host assertions for model change and wired-in state
- add ModelResolutionPickerNode rounding to the family step
- serve GET /kikotools/model_resolution/families
- register the node in NODE_CLASS_MAPPINGS