practices▌

33 React performance and composition rules across bundle optimization, re-rendering, rendering, hooks, and component patterns. \n \n Covers 6 rule categories: bundle size optimization (barrel imports, conditional loading, preloading), re-render prevention (functional setState, derived state, memoization), rendering performance (content-visibility, hydration, transitions), client patterns (passive listeners, localStorage versioning), hooks best practices (limiting useEffect, named functions), and

Software Mansion's production patterns for React Native apps on the New Architecture.

Vue Pinia state management patterns, store setup guidance, and reactivity best practices. \n \n Covers store initialization, DevTools integration, and SSR considerations for setup stores \n Addresses common reactivity pitfalls including destructuring breaks and method binding issues in templates \n Provides patterns for ephemeral state like filters, URL synchronization, and production app conventions \n References specific error scenarios with linked solutions for quick troubleshooting \n

Type-first Python development using dataclasses, discriminated unions, NewType, and Protocol to make illegal states unrepresentable. \n \n Define data models and function signatures before implementation; use frozen dataclasses, Literal-based discriminated unions, and NewType for domain primitives to prevent invalid states at type-check time \n Leverage Protocol for structural typing, TypedDict for external data shapes, and exhaustive pattern matching with match statements to catch incomplete lo

Comprehensive guidelines for building production-ready Capacitor applications.

Authoritative guidance for implementing Stripe payment integrations across all use cases. \n \n Prioritizes Checkout Sessions API for on-session payments and subscriptions; recommends Stripe-hosted or embedded Checkout as the primary web integration surface \n Covers payment flows, subscription models, webhooks, Connect platforms, and fund management with explicit guidance on modern APIs versus deprecated endpoints \n Includes pre-launch checklist requirements, PCI compliance considerations, and

Comprehensive best practices guide for Shopware 6.6+ development, designed for AI agents and LLMs helping agency developers. Contains 77 rules across 22 categories, prioritized by impact to guide automated refactoring and code generation.

Native Home Assistant constructs for automations, helpers, scripts, and Lovelace dashboards. \n \n Prioritizes built-in conditions, triggers, and helpers over Jinja2 templates; includes decision workflow for choosing between native state conditions, numeric_state, time triggers, and template helpers \n Covers automation modes (single, restart, queued, parallel) with scenarios, entity_id vs device_id usage, and Zigbee button/remote patterns for ZHA and Zigbee2MQTT \n Provides safe refactoring wor

Email verification, password reset flows, and customizable password policies for Better Auth. \n \n Supports email verification with optional enforcement to block sign-in until verified, plus configurable token expiration and single-use reset tokens \n Password reset flows with built-in security: background email sending, timing attack prevention, dummy operations on invalid requests, and optional session revocation on reset \n Configurable password length limits (default 8–256 characters) and c

Standard flake.nix structure: