practices▌

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.

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28 ClickHouse best practices rules organized by schema design, query optimization, and data ingestion strategy. \n \n Covers three critical areas: primary key and data type selection (immutable design decisions), JOIN and query optimization, and insert batching with mutation avoidance \n Includes 28 rules prioritized by impact, with schema design and query optimization rules marked CRITICAL due to ClickHouse's columnar storage and sparse index mechanics \n Provides structured review procedures f

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Multi-factor authentication with TOTP, OTP, backup codes, and trusted device management for Better Auth. \n \n Supports three verification methods: authenticator apps (TOTP with QR codes), email/SMS codes (OTP), and single-use backup codes \n Handles complete 2FA sign-in flows with automatic session management, temporary 2FA cookies, and trusted device tracking with configurable expiration \n Built-in security features including rate limiting (3 requests per 10 seconds), encryption at rest for s

Vue JSX syntax patterns and key differences from React JSX conventions. \n \n Covers attribute naming differences (e.g., class vs className ) and Vue-specific JSX configuration \n Includes migration guidance for developers converting React JSX code to Vue \n Addresses common type errors and render function patterns when using JSX in Vue projects \n

Accessibility patterns for building inclusive React applications following WCAG standards. Contains 7 rules across 4 categories focused on semantic HTML, screen reader support, keyboard navigation, and user preferences.

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