OrcaQubits

Implement Saleor payment processing — transaction-based payment flow, payment Apps, sync webhook events, Stripe/Adyen patterns, and refunds. Use when building payment integrations.

NLWeb development patterns — the mixed-mode programming philosophy, FastTrack vs Analysis parallel paths, config file precedence and the `mode: development` override trap, in-stream NLWS headers vs HTTP headers, embedding/ingest determinism, debugging the LLM-call chain, neural scorer selection (NLWebScorer ModernBERT+GAM), and the A2A / AgentFinder / DataFinder / ModelRouter subsystems. Use when

Apply PHP design patterns — Repository, Factory, Strategy, Decorator, Observer, Singleton, Builder, and Dependency Injection patterns in PHP. Use when architecting PHP applications or understanding patterns used in Magento and other frameworks.

Build with Salesforce Commerce API (SCAPI) — Shopper APIs (Products, Search, Baskets, Orders, Customers), SLAS authentication, Commerce SDK for Node.js, rate limiting, pagination, and headless commerce patterns. This is the primary B2C API. Use when building headless storefronts or API integrations.

Build React applications with Remix — loaders, actions, hooks, Server/Client Components, nested routes, error boundaries, form handling, and streaming SSR. Use when building Shopify Hydrogen storefronts or Remix-based apps.

Implement A2A messages and parts — TextPart, FilePart, DataPart, message roles, metadata, and content negotiation. Use when building message construction, parsing, or content type handling in A2A agents.

Secure a Spree deployment — Rails credentials and env-var hygiene, Devise auth (Spree v5 ships it in-core; `spree_auth_devise` is archived), CanCanCan authorization rules, Doorkeeper OAuth2 scopes, Storefront publishable key vs admin API key, webhook HMAC verification, OWASP Top 10 for Rails (mass assignment, CSRF, SQL injection via Ransack, XSS, IDOR through prefixed IDs), PCI scope (Spree never

Cross-cutting ACP development patterns — idempotency, error handling, 3D Secure flows, request signing, rate limiting, monitoring, and security best practices. Use when designing architecture or solving production concerns.

Implement Shopify webhooks — subscription methods (HTTP, EventBridge, Pub/Sub, SQS), HMAC verification, mandatory GDPR webhooks, delivery methods, retry policy, and idempotency. Use when building event-driven Shopify integrations.

Deploy Medusa v2 to production — build process, server vs worker mode, environment variables, hosting options, Redis caching, database configuration, and production checklist. Use when deploying Medusa applications.

Build B2C Commerce cartridges — cartridge directory structure (controllers/, models/, scripts/, templates/, static/), cartridge stacking, naming conventions (app_custom_*, plugin_*, int_*), cartridge path configuration, and certification requirements. Use when creating or modifying SFCC cartridges.

Author custom UCP schemas and extensions — create capability schemas, extension schemas, and type definitions using JSON Schema 2020-12 composition. Use when extending UCP with custom capabilities or building domain-specific extensions.