Skill: Migrate / Interop Design System Step 0: is the kit here? This skill reads files from the kit. Check once: On only the skill folders were installed, which is what does. Say so plainly, point the user at or the plugin install, and stop. Do not guess the contents of a file you could not open. Bridge to or from external design systems via a role-based crosswalk. Steps 1. Read (Crosswalk Method, the three directions, headless-vs-styled guidance, verification). 2. Use the curated tables in for Material 3 / Apple HIG / Fluent 2 / Carbon / shadcn/ui / Radix. For others, derive a mapping with t…