Claude Skills by Kaakati

Comprehensive guide to building production-ready REST APIs in Rails with serialization, authentication, versioning, rate limiting, and testing

Mandatory inspection procedures for understanding Rails codebase structure before writing any code. Use this skill FIRST before any code generation task to discover existing patterns, conventions, dependencies, and file organization in the target Rails project.

Complete guide to Hotwire implementation including Turbo Drive, Turbo Frames, Turbo Streams, and Stimulus controllers in Rails applications. Use this skill when implementing real-time updates, partial page rendering, or JavaScript behaviors in Rails views.

Comprehensive internationalization skill for Ruby on Rails applications with proper English and Arabic translations, RTL support, pluralization rules, date/time formatting, and culturally appropriate content adaptation.

Systematic verification of codebase context before code generation to prevent assumption bugs

Comprehensive Ruby on Rails conventions, design patterns, and idiomatic code standards. Use this skill when writing any Rails code including controllers, models, services, or when making architectural decisions about code organization, naming conventions, and Rails best practices.

Comprehensive checklist and prevention strategies for common Ruby on Rails errors. Use this skill BEFORE writing any Rails code to prevent ViewComponent template errors, ActiveRecord query mistakes, method exposure issues, N+1 queries, and other common Rails pitfalls.

Write clear, testable requirements using User Stories and Gherkin scenarios for Manifest Logistics SaaS. Capture functional and non-functional requirements with proper acceptance criteria. Use when defining new features or documenting system behavior.

Complete guide to testing Ruby on Rails applications with RSpec. Use this skill when writing unit tests, integration tests, system tests, or when setting up test infrastructure including factories, shared examples, and mocking strategies.

Comprehensive guide to Object-Oriented Programming in Ruby and Rails covering classes, modules, design patterns, SOLID principles, and modern Ruby 3.x features

Complete guide to implementing Service Objects in Ruby on Rails applications. Use this skill when creating business logic services, organizing service namespaces, handling service results, and designing service interfaces for complex operations.

Complete guide to background job processing with Sidekiq in Ruby on Rails. Use this skill when: (1) Creating background jobs, (2) Configuring queues and workers, (3) Implementing retry logic and error handling, (4) Designing idempotent jobs, (5) Setting up scheduled/recurring jobs, (6) Optimizing job performance.

How the Rails Enterprise Dev plugin discovers and uses project skills dynamically

TailAdmin dashboard UI framework patterns and Tailwind CSS classes. ALWAYS use this skill when: (1) Building any dashboard or admin panel interface, (2) Creating data tables, cards, charts, or metrics displays, (3) Implementing forms, buttons, alerts, or modals, (4) Building navigation (sidebar, header, breadcrumbs), (5) Any UI work that should follow TailAdmin design. This skill REQUIRES fetching from the official GitHub repository to ensure accurate class usage - NEVER invent classes.

WCAG 2.2 Level AA compliance patterns for Flutter applications including Semantics widgets, screen reader support, keyboard navigation, and color contrast requirements

Advanced GetX features including Workers, GetxService, SmartManagement, GetConnect, GetSocket, bindings composition, and testing patterns

Domain, Data, and Presentation layer separation with dependency inversion and use case patterns

Quality gate patterns including dart analysis, test coverage, build validation, and compliance checks

Base classes, error handling, utilities, configuration, and dependency injection patterns for Flutter Clean Architecture

Exception classes, failure classes, Either type, and error handling strategies

Dart 3.x and Flutter 3.x conventions, naming patterns, code organization, null safety, and async/await best practices

Local storage with GetStorage for preferences, caching, and offline-first patterns

GetX controllers, reactive state, dependency injection, bindings, navigation, and best practices

HTTP client configuration, API providers, error handling, and request/response patterns

Internationalization (i18n) and localization (l10n) patterns using GetX Translations for multi-language Flutter applications

Entity and model patterns with JSON serialization, immutability, and equality

GetX navigation patterns including routing, parameters, guards, deep linking, and custom transitions for Flutter applications

Performance optimization patterns for Flutter applications including widget optimization, memory management, profiling, and 60 FPS best practices

Repository interface and implementation patterns with offline-first strategies

Unit, widget, integration, and golden test patterns with mocking strategies

Expert Alamofire decisions for iOS/tvOS: when Alamofire adds value vs URLSession suffices, interceptor chain design trade-offs, retry strategy selection, and certificate pinning considerations. Use when designing network layer, implementing auth token refresh, or choosing between networking approaches. Trigger keywords: Alamofire, URLSession, interceptor, RequestAdapter, RequestRetrier, certificate pinning, Session, network layer, token refresh, retry

Expert lifecycle decisions for iOS/tvOS: when SwiftUI lifecycle vs SceneDelegate, background task strategies, state restoration trade-offs, and launch optimization. Use when managing app state transitions, handling background work, or debugging lifecycle issues. Trigger keywords: lifecycle, scenePhase, SceneDelegate, AppDelegate, background task, state restoration, launch time, didFinishLaunching, applicationWillTerminate, sceneDidBecomeActive

Expert Clean Architecture decisions for iOS/tvOS: when Clean Architecture adds value vs overkill, layer boundary judgment calls, dependency rule violations to catch, and practical trade-offs between purity and pragmatism. Use when designing app architecture, debugging layer violations, or deciding what belongs where. Trigger keywords: Clean Architecture, layer, domain, data, presentation, use case, repository, dependency rule, entity, DTO, mapper

Expert Combine decisions for iOS/tvOS: when Combine vs async/await, Subject selection trade-offs, operator chain design, and memory management patterns. Use when implementing reactive streams, choosing between concurrency models, or debugging Combine memory leaks. Trigger keywords: Combine, Publisher, Subscriber, Subject, PassthroughSubject, CurrentValueSubject, async/await, AnyCancellable, sink, operators, reactive

Expert Swift concurrency decisions: async let vs TaskGroup selection, actor isolation boundaries, @MainActor placement strategies, Sendable conformance judgment calls, and structured vs unstructured task trade-offs. Use when designing concurrent code, debugging data races, or choosing between concurrency patterns. Trigger keywords: async, await, actor, Task, TaskGroup, @MainActor, Sendable, concurrency, data race, isolation, structured concurrency, continuation

Expert Coordinator pattern decisions for iOS/tvOS: when coordinators add value vs overkill, parent-child coordinator hierarchy design, SwiftUI vs UIKit coordinator differences, and flow completion handling. Use when designing navigation architecture, implementing multi-step flows, or decoupling views from navigation. Trigger keywords: Coordinator, navigation, flow, parent coordinator, child coordinator, deep link, routing, navigation hierarchy, flow completion

Expert Core Data decisions for iOS/tvOS: when Core Data vs alternatives, context architecture for multi-threading, migration strategy selection, and performance optimization trade-offs. Use when choosing persistence layer, debugging save failures, or optimizing fetch performance. Trigger keywords: Core Data, NSManagedObject, NSPersistentContainer, NSFetchRequest, FetchRequest, migration, lightweight migration, background context, merge policy, faulting

Expert DI decisions for iOS/tvOS: when DI containers add value vs overkill, choosing between injection patterns, protocol design for testability, and SwiftUI-specific injection strategies. Use when designing service layers, setting up testing infrastructure, or deciding how to wire dependencies. Trigger keywords: dependency injection, DI, constructor injection, protocol, mock, testability, container, factory, @EnvironmentObject, service locator

Expert error handling decisions for iOS/tvOS: when to use throws vs Result, error type design trade-offs, recovery strategy selection, and user-facing error presentation patterns. Use when designing error hierarchies, implementing retry logic, or deciding how to surface errors to users. Trigger keywords: Error, throws, Result, LocalizedError, retry, recovery, error presentation, do-catch, try, error handling, failure

Expert localization decisions for iOS/tvOS: when runtime language switching is needed vs system handling, pluralization rule complexity by language, RTL layout strategies, and string key architecture. Use when internationalizing apps, handling RTL languages, or debugging localization issues. Trigger keywords: localization, i18n, l10n, NSLocalizedString, Localizable.strings, stringsdict, plurals, RTL, Arabic, Hebrew, SwiftGen, language switching

Expert MVVM decisions for iOS/tvOS: choosing between ViewModel patterns (state enum vs published properties vs Combine), service layer boundaries, dependency injection strategies, and testing approaches. Use when designing ViewModel architecture, debugging data flow issues, or deciding where business logic belongs. Trigger keywords: MVVM, ViewModel, ObservableObject, @StateObject, service layer, dependency injection, unit test, mock, architecture

Expert notification decisions for iOS/tvOS: when to request permission, silent vs visible notification trade-offs, rich notification strategies, and APNs architecture choices. Use when implementing push notifications, debugging delivery issues, or designing notification UX. Trigger keywords: push notification, UNUserNotificationCenter, APNs, device token, silent notification, content-available, mutable-content, notification extension, notification actions, badge

Expert security decisions for iOS/tvOS: when Keychain vs UserDefaults, certificate pinning trade-offs, API key protection strategies, and secure data lifecycle management. Use when storing sensitive data, implementing authentication, or hardening app security. Trigger keywords: Keychain, security, certificate pinning, encryption, API key, token storage, secure storage, biometric, jailbreak, data protection

Expert session decisions for iOS/tvOS: token storage security levels, refresh flow architectures, multi-session handling strategies, and logout cleanup requirements. Use when implementing authentication, debugging token issues, or designing session architecture. Trigger keywords: session, authentication, token, Keychain, refresh token, access token, JWT, OAuth2, logout, session expiration, KeychainHelper, SecItemAdd, kSecAttrAccessible

Expert Swift decisions Claude doesn't instinctively make: struct vs class trade-offs, @MainActor placement, async/await vs Combine selection, memory management pitfalls, and iOS-specific anti-patterns. Use when writing Swift code for iOS/tvOS apps, reviewing Swift architecture decisions, or debugging memory/concurrency issues. Trigger keywords: Swift, iOS, tvOS, actor, async, Sendable, retain cycle, memory leak, struct, class, protocol, generic

Expert SwiftGen decisions for iOS/tvOS: when type-safe assets add value, template selection trade-offs, organization strategies, and build phase configuration. Use when setting up SwiftGen, choosing templates, or debugging generation issues. Trigger keywords: SwiftGen, type-safe, Asset, L10n, ImageAsset, ColorAsset, FontFamily, swiftgen.yml, structured-swift5, code generation, asset catalog

Expert SwiftUI decisions: property wrapper selection (@State vs @StateObject vs @ObservedObject gotchas), navigation architecture (NavigationStack vs NavigationSplitView), performance traps (body recomputation, identity), and platform-specific patterns for tvOS focus. Use when building SwiftUI views for iOS/tvOS, debugging view update issues, or choosing navigation patterns. Trigger keywords: SwiftUI, @State, @StateObject, @ObservedObject, NavigationStack, sheet, animation, tvOS focus, view i...

Expert theming decisions for iOS/tvOS: when custom themes add value vs system colors suffice, color token architecture trade-offs, theme switching animation strategies, and accessibility contrast compliance. Use when designing color systems, implementing dark mode, or building theme pickers. Trigger keywords: theme, dark mode, light mode, color scheme, appearance, colorScheme, ThemeManager, adaptive colors, dynamic colors, color tokens, WCAG contrast

Expert tvOS decisions for iOS developers: when to use custom focus effects vs system defaults, Siri Remote gesture trade-offs, Top Shelf content strategies, and 10-foot UI adaptation patterns. Use when building tvOS apps, debugging focus issues, or designing TV-optimized interfaces. Trigger keywords: tvOS, Focus Engine, @FocusState, isFocused, focusable, focusSection, Siri Remote, Top Shelf, TVTopShelfContentProvider, 10-foot UI, CardButtonStyle, large cards

Expert XCTest decisions for iOS/tvOS: test type selection trade-offs, mock vs stub vs spy judgment calls, async testing pitfalls, and coverage threshold calibration. Use when designing test strategy, debugging flaky tests, or deciding what to test. Trigger keywords: XCTest, unit test, integration test, UI test, mock, stub, spy, async test, expectation, test coverage, XCUITest, TDD, test pyramid