FWIW, there’s also an official frontend-design skill for CC [1]. A while back I incorporated some of the more relevant guidance from WCAG into it [2].
[1] - https://github.com/anthropics/claude-code/blob/main/plugins/...
Tldr I would expect different outcomes with 4.7 with not being specific.
For reference, in the .claude/settings.local.json
{
"model": "claude-opus-4-6[1M]"
}In other words, I've found people like the above to think of LLMs as fairly static, as if we couldn't change their behavior with a simple sentence, instead of complaining about it. It's strange, to me at least.