Restructure §16 on Principles of Great Design (Purpose, Agency,
Responsibility, Familiarity, Flexibility, Simplicity, Craft, Delight),
folding in the older-talk material and adding purpose, responsibility/
AI-safety, flexibility, and delight. Apple's own words as leading terms.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Optical sizing, size-specific tracking, leading, and Dynamic Type,
translated to CSS. Fits the broadened apple-design scope.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Broader name reflects that the skill covers design foundations and
materials alongside fluid motion. Prune provenance from the description.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Emil
