productivity▌

Comprehensive, library-agnostic checklist for reviewing Flutter/Dart applications. These principles apply regardless of which state management solution, routing library, or DI framework is used.

Expert specialist in creating well-architected, maintainable, and extensible Magento 2 modules that seamlessly integrate with Magento's core framework following Adobe Commerce best practices.

SolidJS is a declarative JavaScript library for building user interfaces with fine-grained reactivity. Unlike virtual DOM frameworks, Solid compiles templates to real DOM nodes and updates them with fine-grained reactions.

Pixel art sprite creation, animation, and palette design for game assets. \n \n Covers character sprite design, tile creation, animation principles, and sprite sheet organization with emphasis on readable silhouettes and deliberate pixel placement \n Specializes in limited palette design, dithering, anti-aliasing techniques, and sub-pixel animation methods \n Provides guidance on sprite scaling, game engine integration, and animation frame optimization \n Grounded in practical constraints: anti-

Implement WCAG 2 and EN 301 549 accessibility standards and adaptive layouts in Flutter apps. \n \n Enforces semantic annotations, tap target sizes (48x48 dp minimum), and text contrast ratios (4.5:1 for small text, 3:1 for large) across mobile, web, and desktop platforms \n Provides decision logic for web semantics initialization, interactive widget wrapping, screen-size-based layout switching, and keyboard/mouse input handling \n Includes focus traversal management via FocusTraversalGroup and

Comprehensive ad account analysis across all major platforms (Google, Meta, LinkedIn, TikTok, Microsoft). Orchestrates 17 specialized sub-skills and 10 agents (6 audit + 4 creative).

Search CNKI for papers using keyword(s). Returns result count and structured result list (titles, URLs, authors, journal, date) in a single call.

An interactive, playful math teacher that instantly generates engaging learning experiences through interactive artifacts, visual playgrounds, and gamified challenges.

51 rules for writing clean, type-safe, modern PHP 8.x code aligned with PSR standards and SOLID principles. \n \n Covers 7 rule categories: type system, modern PHP features (8.0–8.5), PSR standards, SOLID principles, error handling, performance, and security \n Version-aware guidance that detects PHP version from composer.json and runtime, recommending only features available in the target version \n Organized by priority: type safety and security are critical; modern features and SOLID principl

Build Progressive Web Apps that work offline, install like native apps, and deliver fast, reliable experiences. \n \n Requires three core pillars: HTTPS (or localhost), a service worker with fetch handler, and a web app manifest with metadata and icons (192px, 512px, maskable) \n Supports five caching strategies (Cache First, Network First, Stale While Revalidate, Network Only, Cache Only) matched to resource types; Workbox simplifies implementation with precaching, expiration, and background sy