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sukirman1901sukirman1901/frontend-expert/skills/prototype/SKILL.md

prototype

Skill9 starsChanged 2 months agoMITView on GitHub

Render 2–3 distinct UI directions side by side and stress-test component states (loading, error, empty, disabled, overflow) before committing to one production layout. Trigger for “prototype”, “varian”, “side-by-side”, “bandingkan arah”, “tunjukkan 2 opsi”, or “cek semua state”. Text-only axes stay on design-direction; frame-by-frame motion is not this skill.

194 other projects use a version of this.

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The file

We split this skill into the rules it gives an agent

1 rule. 0 are common, 0 are distinctive, and 1 is very specific to this project.

  • 0

    Common

    Most of the 179 edited versions we read keep these.

  • 0

    Distinctive

    This author's own choices. Worth a look.

  • 1

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Very specific:

    After design-direction when they need proof, not another paragraph

    line 20

“Common” is measured: kept by at least 6 in 10 of the 179 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Prototype

Overview

Judgment without a render is three similar skins. This skill shows 2–3 directions on distinct axes, then presses real states. Pick one variant before the production build chain.

When to use

  • User asks to prototype, compare, or see options on screen
  • After design-direction when they need proof, not another paragraph
  • Stress-test states on an existing component or chosen variant
  • Blank-canvas UI where shipping one layout would hide the other axes

When to skip

  • Text approaches only / still choosing an axis → design-direction
  • “Langsung saja” / direction already locked → build chain
  • Micro polish on one chosen UI → polish
  • Visual AI-slop audit → anti-slop-design
  • Pixel/Figma match → fidelity
  • Frame-by-frame motion / reverse-engineering animation → motion-inspection

MUST

RuleDetail
Rendered, not sketchedVariants are real markup/CSS in the project stack — not ASCII mockups as the deliverable
Distinct axes2–3 options; each changes hierarchy, layout, density, interaction, or expression — not hue-only skins
Shared factsSame product content, tokens/project system, and constraints across variants
CapDo not emit 5 coded mocks or keep all variants in the shipped product
Stress statesDefault, loading, empty, error, disabled, long/localized text, 320px overflow
Pick then buildName the winner; then design-foundations → tokens → components

Workflow

  1. Inherit — load design-direction first if axes are not yet named.
  2. Render — place 2–3 variants side by side (≥1024) or stacked (<768).
  3. Stress — run the state matrix on the recommended variant (all variants if cheap); inspect local clipping and text/plot readability at actual size, not just viewport overflow. Use the craft-comparison lenses in references/prototype.md.
  4. Recommend — one winner + why; wait unless they already picked.
  5. Discard — delete or isolate losing variants; do not ship a gallery as the app.
  6. Handoff — foundations → tokens → (+ shell/data/forms) → components → rest of /ui.

Boundaries

  • May decide: stacked vs split comparison; which variant to stress first.
  • Must not: invent copy/metrics, restyle tokens per variant, treat this as a Figma file, or inspect animation frame-by-frame.

Checklist

  • Axes named (or design-direction skipped for a locked direction)
  • 2–3 rendered variants on distinct axes
  • State matrix exercised
  • One winner chosen; losers not in the production tree
  • Build chain continues from foundations/tokens

Depth

How to compare and stress: references/prototype.md. Axes: references/design-axes.md. States chrome: references/data-fetching.md / references/component-patterns.md.

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