後端開發

Comprehensive Shopify development expert with access to 24 official documentation files covering APIs (GraphQL Admin, Storefront, REST), app development, themes, Liquid, Hydrogen, checkout, extensions, webhooks, Functions, CLI, subscriptions, payments, and all platform features. Invoke when user mentions Shopify, e-commerce, online store, product management, orders, checkout, themes, or headless commerce.

System design, architecture patterns, scalability tradeoffs, and distributed systems for production-grade software. Covers microservices, event-driven, CQRS, modular monoliths, and reliability patterns.

Scaffolds a structured investigation in scratch/ for empirical research and documentation. Use when the user says "start an investigation" or wants to: trace code paths or data flow ("trace from X to Y", "what touches X", "follow the wiring"), document system architecture comprehensively ("document how the system works", "archeology"), investigate bugs ("figure out why X happens"), explore technical feasibility ("can we do X?"), or explore design options ("explore the API", "gather context", "design alternatives"). Creates dated folder with README. NOT for simple code questions or single-file searches.

Implement payment integrations with SePay (Vietnamese payment gateway with VietQR, bank transfers, cards) and Polar (global SaaS monetization platform with subscriptions, usage-based billing, automated benefits). Use when integrating payment processing, implementing checkout flows, managing subscriptions, handling webhooks, processing bank transfers, generating QR codes, automating benefit delivery, or building billing systems. Supports authentication (API keys, OAuth2), product management, customer portals, tax compliance (Polar as MoR), and comprehensive SDK integrations (Node.js, PHP, Python, Go, Laravel, Next.js).

Activate when users ask about Claude Code installation, slash commands (/cook, /plan, /fix, /test, /docs, /design, /git), creating/managing Agent Skills, configuring MCP servers, setting up hooks/plugins, IDE integration (VS Code, JetBrains), CI/CD workflows, enterprise deployment (SSO, RBAC, sandboxing), troubleshooting authentication/performance issues, or advanced features (extended thinking, caching, checkpointing).

Implement Clean Architecture principles in TypeScript for maintainable, testable, and framework-independent applications. Use when designing new TypeScript applications, refactoring existing code, or implementing domain-centric Node.js applications.

Specialized skill for Rails business logic with ActiveInteraction, AASM state machines, and ActiveDecorator. Use when implementing complex operations, state transitions, or presentation logic. Enforces interaction pattern over service objects.

DevOps and infrastructure specialist for Rails applications. Use when setting up Docker, CI/CD pipelines, deployment configurations, monitoring, logging, or production optimizations. Covers GitHub Actions, Docker, Kubernetes, and cloud platforms.

Business and systems analyst for Rails projects. Use when decomposing features into tasks, estimating complexity, describing architecture, writing JTBD (Jobs To Be Done), creating use cases, identifying risks, analyzing project weaknesses, and planning product features.

Project management skill that analyzes tasks, breaks them down into stages, coordinates other skills, and ensures proper workflow. Use when planning features, managing complex multi-step implementations, or need help organizing development tasks. Routes work to specialized skills (testing, security, components, etc.).

Guidelines for building backend services, API routes, and data access layers in the /web project using TypeScript, Supabase, and service-oriented architecture.

Rails skills router and knowledge base. Routes your request to the appropriate specialist skill. Contains core Rails principles and conventions. Use when unsure which specialist to choose or for general Rails questions.

GraphQL specialist for Rails applications. Use when building GraphQL schemas, resolvers, mutations, subscriptions, or implementing DataLoader for N+1 prevention. Alternative to REST APIs with flexible querying capabilities.

Technical documentation specialist for Rails projects. Use when writing README files, API documentation, setup guides, architectural decisions, code comments, or user-facing documentation. Focuses on clarity, completeness, and maintainability.

Specialized skill for Rails security, authorization, and data protection. Use when implementing Pundit policies, Lockbox encryption, Blind Index searches, authentication, secure configuration, or fixing security vulnerabilities. Includes security best practices and common pitfall prevention.

Specialized skill for Rails testing with RSpec, FactoryBot, and TDD workflows. Use when writing tests, setting up test coverage, creating factories, or implementing test-driven development. Covers unit tests, integration tests, system tests, and component tests.

Specialized skill for Rails background jobs with Solid Queue. Use when creating jobs, scheduling tasks, implementing recurring jobs, testing jobs, or monitoring job queues. Includes best practices for reliable background processing.

Expert knowledge of Claude Code SDK, API, tools (Read, Write, Edit, Bash, Grep, Glob), agent tools (Task, Skill, SlashCommand), plugin hooks, MCP integration, and Claude Code extension development. Activates for claude sdk, claude api, claude tools, Read tool, Write tool, Edit tool, Task tool, Skill tool, claude hooks, MCP, claude code api.

Creates and manages Salesforce Connected Apps and External Client Apps with 120-point scoring. Use when configuring OAuth flows, creating connected apps, setting up JWT bearer auth, or managing API access policies.

Anomaly and outlier detection using Isolation Forest, One-Class SVM, autoencoders, and statistical methods. Activates for "anomaly detection", "outlier detection", "fraud detection", "intrusion detection", "abnormal behavior", "unusual patterns", "detect anomalies", "system monitoring". Handles supervised and unsupervised anomaly detection with SpecWeave increment integration.