<EXTREMELY-IMPORTANT This is a DESIGN-SPEC skill, not an implementation skill. Non-negotiable rules: 1. Do NOT write production UI code from this skill. Produce a spec + a locked design language and DELEGATE the build to an engineering agent. We own the design spec; the agent implements it. 2. Commit to ONE distinctive aesthetic identity BEFORE specifying screens, and pass the counterfactual default test: if you'd produce this same look for any similar brief, it's a default — change it. 3. Ban AI-slop BY NAME ( ). The slop test gates the work: if someone could say "AI made that" with no doubt…