- Add includes section to profile editor with drag-and-drop reordering
- Display included profiles with scope badges (Global, Project, Tool)
- Add 'Add Include' dropdown filtered by compatibility and cycle prevention
- Add remove button per include row
- Save includes together with profile form
- Add include count badges to profile list sidebar
- Add drag icon to Icon component
Implements config-profile-includes-ui tasks 1.1-4.3
