To make an agent use DESIGN.md, point its persistent-context mechanism at the file. The pattern is the same everywhere: tell the agent to read DESIGN.md for UI work. Claude Code Reference DESIGN.md from your CLAUDE.md: # In CLAUDE.md ## Design This project has a DESIGN.md defining the visual identity. Before generating or modifying any UI, read DESIGN.md and follow its tokens and rationale. Use the accent color only as the rationale specifies. Cur...