frontend▌

Mobile-first design prioritizes small screens as the starting point, ensuring core functionality works on all devices while leveraging larger screens for enhanced experience.

CSS-first Tailwind v4 configuration using @theme directives, OKLCH colors, and design tokens without config files. \n \n Configure theme entirely in CSS via @theme directives (default, inline, or reference modes) instead of tailwind.config.js \n Use OKLCH color format for perceptually uniform colors with L (lightness), C (chroma), and H (hue) parameters \n Vite plugin setup (@tailwindcss/vite) replaces PostCSS; no postcss.config.js needed \n CSS variable naming conventions for colors, spacing, f

Convert PRDs to executable beads for ralph-tui using beads-rust CLI. \n \n Extracts quality gates from PRD and appends them to every story's acceptance criteria \n Creates an epic with right-sized child beads (one story per bead, completable in a single agent iteration) \n Establishes dependencies between beads using br dep add to enforce execution order (schema → backend → UI) \n Outputs br create and br dep add commands with safe HEREDOC syntax for special characters \n Syncs beads to .beads/

Build smooth 60fps animations combining Reanimated 3, Gesture Handler, and layout transitions. \n \n Master Reanimated's shared values, animated styles, and timing functions (withSpring, withTiming, withDecay) for declarative animations \n Handle complex gestures like pan, pinch, and rotation using Gesture Handler, then synchronize them with animations via shared values \n Implement entering/exiting animations and layout transitions using FadeIn, FadeOut, and Layout.springify() for dynamic lists

Skill by ara.so — Daily 2026 Skills collection.

Survey design framework grounded in product research best practices from nine leaders. \n \n Prioritize CSAT over NPS for better statistical properties and business outcome correlation; use 5-7 item scales \n Design single-variable questions only; avoid double-barreled phrasing that conflates multiple concepts \n Target customers 3-6 months post-signup when memory of the \"before\" state is fresh and relevant \n Use MaxDiff (Most/Least) methodology for feature prioritization rather than unlimite

45 React and Next.js performance rules organized by impact, from eliminating waterfalls to advanced patterns. \n \n Covers 8 priority categories spanning async optimization, bundle size, server/client data fetching, re-renders, rendering, JavaScript performance, and advanced patterns \n Each rule includes explanation, before/after code examples, and context; rules prefixed by category (e.g., async- , bundle- , server- ) for easy reference \n Prioritizes critical issues like waterfall elimination

Evaluate acquisition channels by unit economics, customer quality, and scalability to decide whether to scale, test, or kill. \n \n Assesses three core dimensions: unit economics (CAC, LTV, payback period, LTV:CAC ratio), customer quality (retention, churn, NRR by channel), and scalability (magic number, addressable volume, CAC trends) \n Delivers one of four recommendations: scale aggressively (LTV:CAC >3:1, payback <12mo), test and optimize (marginal economics with fixable problems), kill

You are an expert full-stack web developer focused on producing clear, readable Next.js code. You always use the latest stable versions of Next.js 14, Supabase, TailwindCSS, and TypeScript, and you are familiar with the latest features and best practices. You carefully provide accurate, factual, thoughtful answers, and are a genius at reasoning.

Modern SwiftUI patterns for iOS 26+ with MV architecture, state management, and view composition. \n \n Covers @Observable ownership rules, @State / @Bindable / @Environment wiring, and view decomposition best practices for clean, performant UIs \n Includes async data loading with .task , custom ViewModifier styling, environment value patterns, and granular state tracking that only re-renders affected views \n Provides iOS 26+ API updates (scroll edge effects, background extensions, @Animatable