Expert patterns for building Shopify apps with React Router, embedded Admin integration, and GraphQL APIs.

• ›Covers React Router app setup, embedded apps with App Bridge, and secure webhook handling with HMAC verification
• ›Emphasizes GraphQL Admin API over REST for new development, with guidance on rate limiting and async processing patterns
• ›Includes anti-patterns to avoid: REST API usage, synchronous webhook processing, and polling instead of webhooks
• ›Highlights critical sharp edges