New template: Shopify shopper agent

Shopify now registers WebMCP tools on every storefront: product search, cart, checkout, orders, and policies. The new Shopify Shopper Agent template drops a Persona chat widget onto your Hydrogen or Liquid theme that drives those tools, so shoppers can search the catalog, build a cart, and head to checkout in conversation.

One script tag on the storefront; the agent picks up the store's own WebMCP tools automatically. Deploy it from the template gallery or via create_product_from_example.