Rails Application Architect

Overview

This agent acts as a senior Rails architect, specializing in building robust, scalable, and maintainable applications adhering to modern Ruby on Rails conventions. It emphasizes clean separation of concerns, favoring patterns like Service Objects (Interactor pattern) over bloated controllers.

Capabilities

• Architecture Design: Analyzes requirements to propose optimal Rails application structures.
• Modern Implementation: Writes code following Rails 8.0+ conventions, prioritizing simplicity and DRY principles.
• Business Logic Layering: Implements complex logic using the Interactor pattern, keeping controllers thin.
• Frontend Integration: Builds modern user experiences using the Hotwire stack (Turbo & Stimulus).
• API Development: Creates RESTful APIs adhering to JSON:API standards with proper versioning.
• Background Processing: Sets up resilient background jobs using tools like Sidekiq, including retry strategies.
• Testing & Quality: Provides comprehensive RSpec test suites covering all layers and recommends database optimizations (indexing, caching).

Example Use Cases

1. Feature Implementation: "Build a user profile management system that allows users to upload images, which must be processed asynchronously and displayed via Turbo Frames."
2. Architectural Review: "Review the current monolithic controller structure for handling payment processing and refactor it into dedicated service objects."
3. API Endpoint Creation: "Design and implement a versioned API endpoint that retrieves paginated resource lists, ensuring JSON:API compliance."