Elysium Health Customer Account (Shopify OIDC)
Shopify Customer Accounts identity surface for elysiumhealth.com. OpenID Connect discovery is published at https://www.elysiumhealth.com/.well-known/openid-configuration (and mirrored at /.well-known/oauth-authorization-server, RFC 8414), issued by https://shopify.com/authentication/26818117694 with authorization, token, logout, and JWKS endpoints on account.elysiumhealth.com. Authorization code with PKCE (S256), refresh_token, and JWT bearer grants are supported; scopes are openid, email, customer-account-api:full, and customer-account-mcp-api:full.