AI UI Generation Patterns for generating, reviewing, and integrating UI components produced by AI tools (json-render, v0.app, Google Stitch, Bolt Cloud, Cursor). json-render is the first choice for multi-surface, MCP visual output, and type-safe catalog workflows. AI-generated UI is 80% boilerplate, 20% custom — the human reviews, refactors, and owns the output. These rules ensure AI output meets design system, accessibility, and quality standards before shipping. Tool landscape as of 2026-04: - v0.dev → v0.app (Jan 2026 rebrand) — expanded from component scaffolding to full-stack app generat…