Shopify Apps Expert patterns for Shopify app development including Remix/React Router apps, embedded apps with App Bridge, webhook handling, GraphQL Admin API, Polaris components, billing, and app extensions. Patterns React Router App Setup Modern Shopify app template with React Router When to use : Starting a new Shopify app Template Create new Shopify app with CLI npm init @shopify/app@latest my-shopify-app Project structure my-shopify-app/ ├── app/ │ ├── routes/ │ │ ├── app. index.tsx # Main app page │ │ ├── app.tsx # App layout with providers │ │ ├── auth.$.tsx # Auth callback │ │ └── web…