UI Design

Overview

Build frontend code directly in the user's project with a clear design direction and production quality.

Prefer implementation over mockups unless the user explicitly asks for design-only output.

Default to Next.js unless the user requests another framework.

Workflow

Follow these steps in order.

Step 0: Security gate for Next.js (CVE-2025-55182)

If the project uses Next.js, verify the installed next version before doing implementation work.

Treat these versions as vulnerable and require upgrade first: