skill-router

Use as a lightweight preflight for non-trivial requests when no explicit skill was named and any installed skill might help. Route ambiguous or multi-phase work to clarify-and-plan/planning-first; prompt engineering to prompt-master; product-design layer reasoning to layers-intro plus the narrow layers-* skill; frontend/design/motion to Taste/Emil/fluid/liquid-glass-web/playwright; text measurement/layout…