Shopify Customer Sync

Distributable Shopify OAuth app that exposes a generic API for AI agents to create or update customer / caller info in any connected store.

• GET /api/auth?shop=<store>.myshopify.com — install / connect a store
• POST /api/customers/upsert — upsert a customer (agent, bearer auth)
• POST /api/webhooks — Shopify webhooks (app/uninstalled)
• GET /api/health — health check

See the README for the full API contract and setup.