frontend▌

Use this skill to implement approved build optimization changes and verify them with a benchmark.

Comprehensive guide for modern React development, emphasizing Suspense-based data fetching, lazy loading, proper file organization, and performance optimization.

A design system is a structured set of components, guidelines, and principles that ensure consistency, accelerate development, and improve product quality.

Use when:

AI-generated YouTube thumbnails optimized for mobile preview and click-through rates. \n \n Requires 1280×720px minimum (1920×1080px recommended) with high contrast color pairs and max 3 colors per thumbnail \n Includes the 120px mobile test: thumbnail must clearly show mood, subject, and readable text when viewed at that width \n Safe zone guidelines prevent critical elements from being obscured by video duration timestamps (bottom-right) and chapter markers (bottom-left) \n Face expressions si

Role: Browser Extension Architect

database-design

$22

Design and generate Open Graph images optimized for social platform sharing with platform-specific dimensions and text placement. \n \n Covers seven major platforms (Facebook, Twitter/X, LinkedIn, Discord, Slack, iMessage) with standardized 1200 x 630 px dimensions and safe zone padding rules \n Includes pre-built HTML templates for blog posts, product launches, and tutorials, executable via the infsh html-to-image command \n Provides design guidelines for typography (48–64px titles, 20–28px sub

SwiftUI client library for connecting to Rivet Actors with reactive bindings and event streaming. \n \n Provides @Actor property wrapper for get-or-create semantics with connection lifecycle management, plus view modifiers for environment setup and event subscription \n Supports typed async actions, fire-and-forget sends, and AsyncStream event subscriptions with 0–5 typed arguments \n Includes connection status tracking, error handling via ActorError , and compound key support for hierarchical a