Claude Skills by suleyman

Opinionated rules for production Expo and React Native apps using Expo Router, TanStack Query, Zustand, EAS Build, EAS Update, and EAS Submit, including secure token storage, push notifications, deep linking, permissions, native dependencies, and App Store / Play Store release workflows. Use when building or reviewing Expo screens, navigation, data fetching, auth, notifications, links, or permissions, when adding a native dependency, or when deciding whether a change ships as an OTA update or...

Coordinates system-level decisions for production applications built with Next.js, FastAPI, PostgreSQL/PostGIS, Expo, and native iOS, and delegates layer details to the nextjs-frontend, python-fastapi, postgresql, expo-react-native, and swift-ios skills. Use when starting a new product or a feature that spans more than one layer, designing an architecture, choosing how web and mobile share an API, or deciding on authentication, authorization, API contracts, validation, caching, pagination, ba...

Opinionated rules for production Next.js App Router frontends built with React, TypeScript, Tailwind CSS, shadcn/ui, TanStack Query, and Zustand, talking to a separate backend API. Use when creating or reviewing pages, layouts, Server and Client Components, Server Actions, Route Handlers, proxy/middleware, data fetching, caching, mutations, forms, or client state, and when deciding where frontend logic and state should live.

Opinionated rules for PostgreSQL and PostGIS behind an application API, covering schema design, constraints, indexing, query optimization, transactions and concurrency, cursor pagination, zero-downtime migrations with Alembic, and geospatial queries. Use when designing tables, writing or reviewing migrations, adding indexes, reading EXPLAIN output, fixing slow queries or lock contention, handling race conditions, or implementing location and radius search.

Opinionated rules for production Python APIs built with FastAPI, Pydantic v2, SQLAlchemy 2.0 (async), Alembic, and PostgreSQL, including JWT/OAuth authentication, authorization, error handling, pagination, background jobs, and testing. Use when creating or reviewing FastAPI endpoints, request/response schemas, services, database access, dependencies, auth, settings, workers, or API tests, or when debugging slow or failing API requests.

Opinionated rules for production native iOS apps in Swift and SwiftUI, covering the Observation framework, Swift concurrency (async/await, actors, Sendable), URLSession networking against a JSON API, Keychain credential storage, StoreKit 2 purchases with server-side entitlements, testing, and App Store / TestFlight release workflows. Use when building or reviewing SwiftUI views, view models, networking, authentication, in-app purchases, concurrency code, or preparing an App Store submission.