New Nodes:
- Mask Composite Pro 2X: combine 2 masks with per-mask blur/grow-shrink/opacity, screen blend, output selector, invert
- Mask Composite Pro 6X: combine up to 6 masks with same features
Updates:
- Inpaint Mask Pro: added expand/shrink, removed SEGS (simplified to image + mask), inpaint_mask now required, multi-color overlay
- Blur Pro: type-specific sliders marked as advanced for cleaner default view
- Widget visibility uses Python "advanced" flag for new ComfyUI frontend compatibility
- Added CLAUDE.md with versioning and registration rules
- Bump to v2.1.1, 40 nodes total