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snr-densification

Use this skill when a design has *too much* whitespace — when the SNR pendulum has swung from cluttered all the way to sparse, sterile, or "empty-feeling," and you need to add signal density without adding noise. Trigger when reviewing a UI that "feels thin," "feels under-built," or where users complain "I'm scrolling forever to get to anything." Also trigger when designing power-user surfaces (admin panels, IDEs, data tools) that need higher density than consumer defaults. Sub-aspect of `signal-to-noise-ratio`; read that first if you haven't already.

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

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# Densification: adding signal without adding noise

The opposite failure mode of "noisy UI" is "sterile UI" — a design so subtractively-edited that it loses the affordances and richness users actually need. SNR is a *ratio*; you can improve it either by removing noise or by adding signal. This skill covers the latter.

## When sterility is the problem

Symptoms:

- Power users tell you they "miss" features that are present but tucked away.
- The page contains 3 things on a 1440px screen and feels under-built.
- Common workflows require navigating away and back; the current surface doesn't show enough.
- The empty state doesn't feel empty — the *populated* state feels empty.
- A/B testing shows users hesitating because there's not enough information to decide.