OrcaQubits

Build headless Shopify storefronts with Hydrogen — Remix-based framework, Oxygen deployment, storefront.query(), caching strategies, cart, customer accounts, SEO, and analytics. Use when building custom Shopify storefronts.

Create Magento 2 custom modules — registration, directory structure, models, resource models, collections, declarative schema, and data/schema patches. Use when building new modules or understanding module architecture.

Implement AP2 as an A2A extension — mandate DataParts in A2A messages, Agent Card AP2 capabilities, payment-specific task flows, and inter-agent payment communication. Use when integrating AP2 payment capabilities into A2A multi-agent systems.

Test Spree applications and extensions with RSpec — `spree_dev_tools` gem (v5.2+) for factories and helpers, FactoryBot patterns (prefer `build` over `create`), Capybara feature specs, controller/request specs, testing decorators and subscribers, dummy app for extension testing, system specs for the Hotwire admin, and CI patterns. Use when writing Spree tests, setting up CI, or refactoring slow sp

Implement UCP AP2 Mandates extension — cryptographic payment mandates for fully autonomous agent commerce using SD-JWT credentials, merchant authorization signatures, and the Agent Payments Protocol. Use when building autonomous agent payment flows without human-in-the-loop.

Implement MPP client-side payment handling with mppx.fetch(). Use when building AI agents or automated clients that consume 402-protected APIs, handling the transparent challenge-response payment flow.

Implement UCP Checkout over the A2A (Agent-to-Agent) binding — enable autonomous agent-to-agent commerce using Agent Cards and structured message parts. Use when building agent-to-agent commerce flows.

Test BigCommerce integrations — API testing, Stencil theme testing, Cypress/Playwright E2E tests, webhook testing, and sandbox stores. Use when writing tests for BigCommerce apps, themes, or integrations.

Build with Spree's event bus and Webhooks 2.0 — `Spree::Events` publication, `Spree::Subscriber` DSL with `subscribes_to` and `on`, wildcard matching, lifecycle events (`{model}.created/.updated/.deleted` via `publishes_lifecycle_events`), the canonical event catalog (order.*, payment.*, shipment.*, product.*), Webhooks 2.0 endpoints, HMAC-SHA256 signing (`X-Spree-Webhook-Signature`), exponential-

Build B2C Commerce storefronts with SFRA (Storefront Reference Architecture) — cartridge overlay system, MVC pattern, app_storefront_base, module.superModule inheritance, middleware chain, and site-specific customizations. Use when developing SFRA-based storefronts.

Implement Salesforce Commerce payments — Salesforce Payments (supports multiple processors including Stripe and Adyen), B2C payment adapters (JavaScript cartridge-based), B2B payment adapters (Apex-based), PCI compliance via tokenization, 3D Secure/SCA support, and payment method management. Use when implementing payment processing.

Bootstrap a new Spree project — `create-spree-app` CLI (v5.2+), `spree-starter` Rails backend, the Next.js storefront repo, `bin/rails g spree:install`, sample data, Docker Compose, and the PostgreSQL + Redis + Sidekiq prerequisites. Use when starting a new Spree project from scratch or onboarding an existing repo.