strategy-pattern

rivettidaniel

Implements interchangeable algorithms with Strategy Pattern. Use when implementing payment gateways, notification channels, export formats, authentication methods, or any scenario requiring runtime algorithm selection.

active-storage-setup

rivettidaniel

Configures Active Storage for file uploads with variants and direct uploads. Use when adding file uploads, image attachments, document storage, generating thumbnails, or when user mentions Active Storage, file upload, attachments, or image processing.

rails-query-object

rivettidaniel

Creates query objects for complex database queries following TDD. Use when encapsulating complex queries, aggregating statistics, building reports, or when user mentions queries, stats, dashboards, or data aggregation.

action-cable-patterns

rivettidaniel

Implements real-time features with Action Cable and WebSockets. Use when adding live updates, chat features, notifications, real-time dashboards, or when user mentions Action Cable, WebSockets, channels, or real-time.

tdd-cycle

rivettidaniel

Guides Test-Driven Development workflow with Red-Green-Refactor cycle. Use when the user wants to implement a feature using TDD, write tests first, follow test-driven practices, or mentions red-green-refactor.

builder-pattern

rivettidaniel

Constructs complex objects step-by-step with Builder Pattern. Use when creating query builders, test data builders, configuration objects, or any object with many optional parameters requiring fluent API.

action-mailer-patterns

rivettidaniel

Implements transactional emails with Action Mailer and TDD. Use when creating email templates, notification emails, password resets, email previews, or when user mentions mailer, email, notifications, or transactional emails.

performance-optimization

rivettidaniel

Identifies and fixes Rails performance issues including N+1 queries, slow queries, and memory problems. Use when optimizing queries, fixing N+1 issues, improving response times, or when user mentions performance, slow, optimization, or Bullet gem.

rails-presenter

rivettidaniel

Creates presenter objects for view formatting using SimpleDelegator pattern with TDD. Use when extracting view logic from models, formatting data for display, creating badges/labels, or when user mentions presenters, view models, formatting, or display helpers.

rails-controller

rivettidaniel

Creates Rails controllers with TDD approach - request spec first, then implementation. Use when creating new controllers, adding controller actions, implementing CRUD operations, or when user mentions controllers, routes, or API endpoints.

rails-service-object

rivettidaniel

Creates service objects following single-responsibility principle with comprehensive specs. Use when extracting business logic from controllers, creating complex operations, implementing interactors, or when user mentions service objects or POROs.

authentication-flow

rivettidaniel

Implements authentication using Rails 8 built-in generator. Use when setting up user authentication, login/logout, session management, password reset flows, or securing controllers.

rails-architecture

rivettidaniel

Guides modern Rails 8 code architecture decisions and patterns. Use when deciding where to put code, choosing between patterns (service objects vs concerns vs query objects), designing feature architecture, refactoring for better organization, or when user mentions architecture, code organization, design patterns, or layered design.

chain-of-responsibility-pattern

rivettidaniel

Passes requests along handler chain with Chain of Responsibility Pattern. Use for approval workflows, validation chains, error handling, or when multiple objects can handle a request.

state-pattern

rivettidaniel

Manages state-dependent behavior with State Pattern (Finite State Machine). Use for order workflows, document approval, user accounts, or when object behavior changes based on internal state.

solid-queue-setup

rivettidaniel

Configures Solid Queue for background jobs in Rails 8. Use when setting up background processing, creating background jobs, configuring job queues, or migrating from Sidekiq to Solid Queue.

rails-model-generator

rivettidaniel

Creates Rails models using TDD approach - spec first, then migration, then model. Use when creating new models, adding model validations, defining associations, or setting up database tables.

database-migrations

rivettidaniel

Creates safe database migrations with proper indexes and rollback strategies. Use when creating tables, adding columns, creating indexes, handling zero-downtime migrations, or when user mentions migrations, schema changes, or database structure.

authorization-pundit

rivettidaniel

Implements policy-based authorization with Pundit for resource access control. Use when adding authorization rules, checking permissions, restricting actions, role-based access, or when user mentions Pundit, policies, authorization, or permissions.

template-method-pattern

rivettidaniel

Defines algorithm skeleton with customizable steps using Template Method Pattern. Use for data importers, exporters, multi-step processors, or any process with fixed flow but variant steps.

form-object-patterns

rivettidaniel

Creates form objects for complex form handling with TDD. Use when building multi-model forms, search forms, wizard forms, or when user mentions form objects, complex forms, virtual models, or non-persisted forms.

hotwire-patterns

rivettidaniel

Implements Hotwire patterns with Turbo Frames, Turbo Streams, and Stimulus controllers. Use when building interactive UIs, real-time updates, form handling, partial page updates, or when user mentions Turbo, Stimulus, or Hotwire.

rails-concern

rivettidaniel

Creates Rails concerns for shared behavior across models or controllers with TDD. Use when extracting shared code, creating reusable modules, DRYing up models/controllers, or when user mentions concerns, modules, mixins, or shared behavior.

packwerk

rivettidaniel

Implements modular architecture with Packwerk for Rails applications. Use when creating packages, enforcing privacy boundaries, managing dependencies, preventing circular references, or when user mentions Packwerk, packages, modularization, or architectural boundaries.

caching-strategies

rivettidaniel

Implements Rails caching patterns for performance optimization. Use when adding fragment caching, Russian doll caching, low-level caching, cache invalidation, or when user mentions caching, performance, cache keys, or memoization.

api-versioning

rivettidaniel

Implements RESTful API design with versioning and request specs. Use when building APIs, adding API endpoints, versioning APIs, or when user mentions REST, JSON API, or API design.

viewcomponent-patterns

rivettidaniel

Creates ViewComponents for reusable UI elements with TDD. Use when building reusable UI components, extracting complex partials, creating cards/tables/badges/modals, or when user mentions ViewComponent, components, or reusable UI.

factory-method-pattern

rivettidaniel

Creates objects through factory methods with Factory Method Pattern. Use for polymorphic object creation, notification systems, report generators, authentication providers, or when you need framework extensibility.

i18n-patterns

rivettidaniel

Implements internationalization with Rails I18n for multi-language support. Use when adding translations, managing locales, localizing dates/currencies, pluralization, or when user mentions i18n, translations, locales, or multi-language.