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perception-router

Use this skill whenever a design task involves visual perception, layout, hierarchy, grouping, scanning order, attention, color organization, or composition — regardless of framework, design system, or platform. Trigger when the user is laying out a screen, page, slide, poster, dashboard, mobile view, or print piece; choosing what to emphasize; deciding how things should group; picking type sizes, spacing, or color roles; reviewing why something "looks busy" or "feels empty"; or asking "where should the eye land first." Routes the model to the right perception principle in this plugin and surfaces the most-decisive ones for the surface in question. Framework-agnostic: applies to web, mobile, print, physical product, slide design, and information graphics alike.

plugins/HDeibler/universal-design-principles/plugins/perception-and-hierarchy-principles/skills/perception-router/SKILL.md

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# Perception & hierarchy — router

This plugin holds the principles that govern how the eye organizes a composition: what gets seen first, what groups with what, what reads as noise, what reads as quality. They are framework-agnostic; the same principle applies to a shadcn/ui card, a Material chip, a Figma slide, a poster, or a printed report.

## How to route

Read the task and identify the principles that decide it. Most non-trivial perception tasks are dominated by 3–6 principles. Read those principles' skills in full; treat the rest as background.

## Principles in this plugin

The list below is the full inventory of perception-related principles from *Universal Principles of Design* covered by this plugin. Each principle has its own skill (and where useful, sub-aspect skills) under `skills/`. Principles marked **[full]** have reference-grade skill files; the others are planned and will be added in subsequent passes.

### Visual hierarchy and emphasis