feat(cutout_tool): Implement cutout region to shape functionality

- Added interaction helpers for cutout region validation and shape menu interaction.
- Created main operator for converting image regions into cutout shapes, including AI artifact generation.
- Introduced object creation logic for cutout shapes, handling depth and normal textures.
- Defined cutout shape identifiers and node groups for various shape types.
- Implemented depth texture writing and prediction artifact generation for MoGe-2.
- Developed server jobs for generating cutout artifacts, depth planes, and refining image regions.
- Added region refinement logic to enhance gesture masks using BEN2.

src/anyimage/operators/cutout_tool/__init__.py

@@ -1,5 +1,4 @@
-from .region_to_shape import CutoutRegionToShape
-from .select_region import CutoutTool, SelectCutoutRegion
+from .main import CutoutRegionToShape, CutoutTool, SelectCutoutRegion
 
 __all__ = (
     "CutoutRegionToShape",