patterns▌

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Best practices and patterns for building SwiftUI views, navigation, and state management. \n \n Covers state ownership strategies (from @State and @Binding to @Observable on iOS 17+), async/await patterns with .task , and environment injection for shared dependencies \n Includes cross-cutting references for NavigationStack routing, sheet presentation, deep linking, and app-level wiring with concrete ownership rules \n Provides component-specific guidance via indexed references, with anti-pattern

Industry-standard authentication and authorization patterns for building secure, scalable access control systems. \n \n Covers JWT (with refresh token flow), session-based, and OAuth2/social login strategies with production-ready code examples \n Includes role-based access control (RBAC), permission-based authorization, and resource ownership validation patterns \n Provides password hashing with bcrypt, rate limiting, and security best practices including token expiration and secure cookie flags

Composition patterns for building flexible, maintainable React components. Avoid boolean prop proliferation by using compound components, lifting state, and composing internals. These patterns make codebases easier for both humans and AI agents to work with as they scale.

API design principles and decision-making for 2025. Learn to THINK, not copy fixed patterns.

Lightweight service mesh patterns for Kubernetes with automatic mTLS and zero-trust networking. \n \n Covers installation, namespace injection, and core resources including ServiceProfile for per-route metrics, TrafficSplit for canary deployments, and Server/ServerAuthorization policies for access control \n Includes templates for mesh setup, traffic splitting, retry configuration with budgets, multi-cluster linking, and HTTPRoute-based advanced routing \n Provides monitoring and debugging comma

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Docker and Docker Compose patterns for local development, multi-service orchestration, and container security. \n \n Covers multi-stage Dockerfiles with dev, build, and production targets; Docker Compose configuration for web app stacks with PostgreSQL, Redis, and Mailpit; and override files for environment-specific settings \n Includes service discovery via container networking, custom network isolation, and volume strategies (named volumes, bind mounts, anonymous volumes) for data persistence

The Model Context Protocol (MCP) lets AI assistants call tools, read resources, and use prompts from your server. Use this skill when building or maintaining MCP servers. The SDK API evolves; check Context7 (query-docs for "MCP") or the official MCP documentation for current method names and signatures.

ES6+ syntax and functional programming patterns for writing clean, modern JavaScript. \n \n Master arrow functions, destructuring, spread operators, template literals, and enhanced object syntax for concise, readable code \n Implement async/await and Promise patterns for handling asynchronous operations, with combinators like Promise.all and Promise.race \n Apply functional programming techniques including map, filter, reduce, higher-order functions, composition, and pure functions for data tran