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Complex data deserves multiple view modes — grid, list, table — chosen by the user based on their task. Row and item selection should use large hit areas (the whole row or card, not just a checkbox). Selected state is communicated through a subtle background colour shift. Mass actions appear when items are selected. Use when designing data tables, product listings, file browsers, or any multi-item

One-time workspace setup for the ai-sdlc-harness pipeline. USER-ENTRY and HUMAN-ONLY — invoke only when the user explicitly runs /init-workspace; never autonomously, never from a subagent (guard-enforced).

Semantic HTML5, SEO fundamentals, alt texts, progressive enhancement, SPA considerations, device capability detection, and user context awareness. Good HTML is the foundation of accessibility, SEO, and resilient UI. Use when building any web UI, reviewing markup quality, or optimising for search and accessibility.

Structure what you're building and why now. Use when organizing products into capability blocks, creating bet backlogs, building roadmaps, or writing solution briefs. Part of the Modern Product Operating Model collection.

Use quando estiver integrando, portando, configurando ou depurando um console de comando embarcado estilo zoom-shell, CLI UART, analisador de comandos ou um shell de MCU pequeno.

Extract a complete design system — colors, typography, spacing, components, shadows, and W3C design tokens — from any live website using Dembrandt. Runs a headless browser against the URL and returns real computed values from the DOM. Use when you need a site's actual design tokens, want to reverse-engineer a visual design, or need to seed a design system from an existing product.

Keep status and error colours minimal and consistent — too many semantic colours confuse users. Each colour must mean exactly one thing. Errors should be recoverable, large failures must be prevented, and the UI should always give the user a path forward. Use when designing status indicators, error states, form validation, alerts, or any feedback system.

Use when integrating, porting, configuring, or debugging FatFs FAT/exFAT filesystems, diskio drivers, SD cards, SPI flash disks, or embedded file I/O failures

Automatically generate mobile-first responsive CSS/SCSS when creating component styles or mentioning responsive design. Implements standard breakpoints (768px, 1024px), ensures WCAG AA color contrast, creates touch-friendly interfaces (44px minimum targets), adds proper focus indicators, supports reduced motion, scales typography responsively, and provides detailed technical specifications with ex

Use when integrating, porting, configuring, or debugging LVGL, littlevGL, display drivers, input devices, ticks, draw buffers, or embedded GUI performance

Agent ecosystem expert for creating, maintaining, and auditing agents and skills. Prevents ecosystem drift and overlap.

Use when integrating, porting, configuring, or debugging CAN bus libraries, CANBus-Triple, MCP2515, CAN frames, bit timing, filters, or embedded automotive communication