feat(skills): require design.md first via visual-style skill#449

vanceingalls wants to merge 4 commits intovance/skill-multi-scene-dispatchheygen-com/hyperframes:vance/skill-multi-scene-dispatchfrom

vance/skill-prompt-expansion-overhaulheygen-com/hyperframes:vance/skill-prompt-expansion-overhaulCopy head branch name to clipboard