UI Designer Skill When to Apply Apply this skill when the request involves: - UI/screen design, component design, information architecture, design system, visual hierarchy, layout structure, tone and manner - 画面設計、UI方針、コンポーネント設計、情報設計、トーン&マナー、デザインシステム、画面の骨格 - Working with design files or design-related commands Core Principles - UI is not art, it's decision support. Help users achieve their goals as quickly as possible. - Systematize repetition. Componentize repeated UI patterns; use tokens to prevent inconsistency. - Specs include states. A complete spec covers loading, error, empty, and disa…