Front door for design work when the ask is unclear, mixed, or dimensionless — "improve my app", "where do I start?", several issues at once, or brainstorming directions. Grills to find intent, with a five-mode menu as fallback, then routes: a named change to dx-design-execute, a whole-page graded review to dx-design-critique, one of the five pass dimensions to that pass, git-shaped asks to dx-design-git, missing DESIGN.md to dx-design-language. In improve mode it runs light triage and propose-only passes, merges findings into one ranked plan behind one plan approval, then hands the build to dx-design-execute. Also answers control-catalogue rule and waiver questions ("can …