practices▌

Laravel Eloquent query optimization and relationship management patterns with N+1 prevention. \n \n Eager load relationships with with() and use withCount() for efficient aggregations instead of triggering additional queries in loops \n Select only needed columns at query time and define return types on relationship methods for better IDE support and clarity \n Use query scopes to encapsulate reusable filtering logic and leverage database-level operations ( update() , increment() ) instead of lo

Structured guidance for designing, executing, and analyzing content experiments to improve conversion and engagement. \n \n Covers hypothesis frameworks, metric selection, sample size calculation, and statistical significance testing across A/B and multivariate experiments \n Includes detailed resources on p-values, confidence intervals, power analysis, and Bayesian methods for interpreting results \n Provides CMS integration patterns for managing variants at the field level and connecting exter

Comprehensive guidance for building modern ecommerce storefronts with patterns, component architecture, and backend integration. \n \n Covers all storefront components: navigation, product pages, cart, checkout, and account pages across any framework (Next.js, SvelteKit, React, Vue) \n Includes critical accessibility patterns (aria-live for cart updates), mobile optimization (safe-area-inset, 44px touch targets), and SEO requirements (Product schema, Core Web Vitals) \n Provides mandatory backen

Language and framework-specific security reviews with actionable vulnerability detection and fix guidance. \n \n Supports Python, JavaScript/TypeScript, and Go with framework-specific best practices loaded from a references directory \n Operates in three modes: secure-by-default code generation, passive vulnerability detection during development, and full security audit reports with severity prioritization \n Generates detailed markdown reports with line-number references, impact statements, and

Comprehensive Vue.js testing guidance covering unit, component, and end-to-end testing strategies. \n \n Addresses 11 common testing challenges including async handling, composable testing, Pinia store setup, Suspense components, and Teleport queries \n Recommends Vitest for unit and component testing infrastructure, with Playwright as the preferred E2E framework \n Covers black-box component testing patterns to reduce brittleness during refactoring, async/await synchronization, and snapshot tes

45 performance optimization rules for React and Next.js, organized by impact and category. \n \n Covers 8 rule categories from eliminating waterfalls and bundle optimization (critical) through JavaScript performance and advanced patterns (low priority) \n Each rule includes explanation, before/after code examples, and context to guide automated refactoring and code generation \n Prioritized by impact: waterfalls and bundle size are critical; server-side performance and re-render optimization are

Comprehensive Vue.js testing guidance covering unit, component, and end-to-end testing strategies. \n \n Addresses 11 common testing challenges including async handling, composable testing, Pinia store setup, Suspense components, and Teleport queries \n Recommends Vitest for unit and component testing infrastructure, with Playwright as the preferred E2E framework \n Covers black-box component testing patterns to prevent brittle tests during refactoring, async/await patterns to eliminate race con

React and Next.js performance optimization guidelines across 45 rules in 8 priority categories. \n \n Covers critical waterfalls elimination, bundle size optimization, and server-side performance with specific patterns like Promise.all, dynamic imports, and React.cache() \n Includes medium-priority rules for re-render optimization, rendering performance, and JavaScript efficiency with concrete code examples \n Organized by impact level with prefixed rule names (async-, bundle-, server-, client-,

Comprehensive best practices and integration guides for Sanity CMS development across frameworks and topics. \n \n Covers 10+ framework integrations including Next.js, Nuxt, Astro, Remix, SvelteKit, and Angular with framework-specific patterns and setup guidance \n Includes topic guides for schema design, GROQ query optimization, Visual Editing, Portable Text, images, TypeGen, localization, and content migrations \n Provides quick-reference structure for loading only relevant guides based on tas

45 performance rules for React and Next.js, organized by impact from waterfalls and bundle optimization down to advanced patterns. \n \n Covers 8 rule categories prioritized by impact: eliminating waterfalls (Promise.all, Suspense), bundle size (direct imports, dynamic loading), server-side caching, client-side deduplication, re-render optimization, rendering performance, JavaScript efficiency, and advanced patterns \n Each rule includes explanation, incorrect and correct code examples, and cont