Build the front-end for a Newton demo with the Archetype AI Design System — the published, versioned packages (`@archetypeai/ds-lib-tokens`, `@archetypeai/ds-ui-svelte-console`, `@archetypeai/ds-ui-svelte-labs`) and the `ds` scaffolding CLI (`@archetypeai/ds-cli`) — instead of hand-rolling tokens, components, fonts, or brand styling. Use this skill when the user wants to scaffold a new dashboard/UI, add the design system to an existing SvelteKit app, or pull in branded primitives (menubar, logo, sensor/scatter charts, video player, card, badge, table, dialog…). The CLI installs the design system's OWN agent config — `CLAUDE.md` (or `AGENTS.md` for Cursor) plus `ds-manifest.json` at the project root — which is the source of truth for component usage, fonts, fallback behavior, and styling once scaffolded; this skill's only job is to get you there. Components currently ship for Svelte 5; a React port is in progress. Do NOT use for Newton API / backend work (see the `atai-newton-*` skills).
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name
atai-design-system
description
Build the front-end for a Newton demo with the Archetype AI Design System — the published, versioned packages (`@archetypeai/ds-lib-tokens`, `@archetypeai/ds-ui-svelte-console`, `@archetypeai/ds-ui-svelte-labs`) and the `ds` scaffolding CLI (`@archetypeai/ds-cli`) — instead of hand-rolling tokens, components, fonts, or brand styling. Use this skill when the user wants to scaffold a new dashboard/UI, add the design system to an existing SvelteKit app, or pull in branded primitives (menubar, logo, sensor/scatter charts, video player, card, badge, table, dialog…). The CLI installs the design system's OWN agent config — `CLAUDE.md` (or `AGENTS.md` for Cursor) plus `ds-manifest.json` at the project root — which is the source of truth for component usage, fonts, fallback behavior, and styling once scaffolded; this skill's only job is to get you there. Components currently ship for Svelte 5; a React port is in progress. Do NOT use for Newton API / backend work (see the `atai-newton-*` skills).
Archetype AI Design System — Scaffold, Don't Reinvent
There is a real, published, MIT-licensed design system on npm. Front-ends are assembled by installing it, not by transcribing tokens or copy-pasting component markup. The ds CLI scaffolds a SvelteKit + Tailwind v4 project, installs the packages, wires the order-critical CSS, and drops the design system's own agent configuration (CLAUDE.md/AGENTS.md + ds-manifest.json) into your repo. After that, defer to that shipped config — it owns components, fonts, fallback behavior, and styling. This file only gets you to the scaffold.
The packaged components currently ship for Svelte 5 — Svelte 5 + SvelteKit + Tailwind v4 + the DS packages, exactly what ds create scaffolds; a React port is in progress. Prefer that stack for Newton demo front-ends. On any other stack (React, Flask, plain HTML), @archetypeai/ds-lib-tokens is pure CSS and usable from any framework — tokens and base styles only, no components.
When to Apply
User wants to start a new Newton demo front-end / dashboard / monitoring UI
User wants to add Archetype AI branding + tokens to an existing SvelteKit app
User wants branded components: menubar, logo, cards, badges, tables, dialogs, sensor/scatter/area charts, a video player, a code block, toasts
Do not use this skill when:
The task is Newton API / model work — text·image·video reasoning, embeddings, KNN, data prep. Use the atai-newton-fusion-model, atai-newton-omega-model, or atai-newton-omega-model-data-prep skills (source).
The System (MIT)
Four packages under the @archetypeai/ scope:
Package
Role
What you get
@archetypeai/ds-lib-tokens
Tailwind v4 theme
OKLCH semantic tokens (background, foreground, card, primary, muted, destructive, border, ring, chart-1..5, sidebar, atai-{neutral,good,warning,critical}) + brand colors (brand-{babyblue,yellow,black,white}) + full shade palettes (the Tailwind scales plus custom mauve/olive/mist/taupe, 50–950) + spacing/radius/icon-stroke scales + .dark variant + font-family stacks with system fallbacks + a semantic HTML base layer that styles bare h1–h6/p/code on-brand. Pure CSS — no JS.
aspect-ratio, chart, kbd, logo, menubar, scatter-chart, sensor-chart, slider, switch, toggle, video-player. Charts are built on layerchart (pinned to an exact prerelease).
@archetypeai/ds-cli (ds)
Scaffold + agent config
create / init / add. Installs the packages + peers, writes the order-critical layout.css, sets up shadcn-svelte, and installs the design system's own agent config.
Import subpaths are per-component, e.g. import { Button } from "@archetypeai/ds-ui-svelte-console/primitives/button", import { Menubar } from "@archetypeai/ds-ui-svelte-labs/primitives/menubar". The authoritative catalog of every component — its import path, description, usage recipes, and variant axes with defaults — is ds-manifest.json (installed by the CLI) — read that, don't guess.
Assembly Path — the ds CLI
This is how a front-end is assembled. Prefer it over manual installation.
Always invoke the CLI with the @latest tag (npx @archetypeai/ds-cli@latest …). Without it, npx silently reuses whatever ds-cli version it has cached, which can scaffold against stale packages, an outdated ds-manifest.json, or a superseded layerchart pin. @latest forces npx to resolve the newest published CLI on every run.
Confirm the scaffold location before running create.ds create <name> creates a new folder named <name> in the current working directory — it does not prompt for placement. Before running it, check the cwd and confirm the parent directory and project name with the user, so the app doesn't land somewhere unexpected (e.g. inside a skills directory or another repo). For adding the system to an existing project, cd into that project first and use init, not create.
Ask about brand fonts before scaffolding. The brand typeface (PP Neue Montreal + PP Neue Montreal Mono) is licensed and NOT shipped on npm — the CLI only installs it when passed --fonts <path-to-font-files> (copied into static/fonts/, where the tokens' fonts.css expects them). Without the files, the app silently renders in system-font fallbacks and the brand look is noticeably degraded. Ask the user whether they have the licensed font files and pass their folder via --fonts; use --no-fonts only when they don't have them, and tell them the visual consequence. Never download or substitute the fonts yourself. Because the fonts are commercially licensed, never commit the font files to a public repository — if --fonts was used and the project is (or will become) public, add static/fonts/ to .gitignore.
# New project: SvelteKit (TS) + Tailwind v4 + tokens + console + labs + a demo page
npx @archetypeai/ds-cli@latest create my-app --codeagent claude
# Existing SvelteKit project: add the system in place (no demo page)cd my-existing-app && npx @archetypeai/ds-cli@latest init --codeagent claude
# Granular adds
npx @archetypeai/ds-cli@latest add ds-ui-svelte # editable component SOURCE (modify workflow)
npx @archetypeai/ds-cli@latest add ds-lib-tokens # tokens + CSS imports only
npx @archetypeai/ds-cli@latest add ds-config-codeagent --claude # (re)install agent config only
create does the full job: scaffolds the SvelteKit app, patches svelte.config.js so Svelte 5 runes work inside third-party packages, installs all three DS packages + peers (pinning layerchart to the exact prerelease the labs charts need), initializes components.json + src/lib/utils.ts (one cn in the tree), writes the order-critical src/routes/layout.css, installs the agent config, and writes a demo +page.svelte.
The CLI is agent-aware: with no TTY or --defaults it lists the options it still needs (--pm, --fonts/--no-fonts, --codeagent) and exits, so you ask the user before proceeding rather than guessing. Fold the target directory / project name into that same confirmation.
Two install models
Compose from npm packages (default).create/init import components from the installed packages; upgrades come via npm update. This is what you want unless the user needs to edit component internals.
Source install / "modify" workflow.ds add ds-ui-svelte vendors editable component source into the project via shadcn-svelte, pulled from the two registries (labs: https://design-system-labs.archetypeai.workers.dev, console: https://design-system-console.archetypeai.workers.dev). Individual components: npx shadcn-svelte@latest add <registry>/r/<name>.json.
After Scaffolding, Defer to the Shipped Config
--codeagent claude writes exactly two files to the project root (--codeagent cursor writes AGENTS.md instead of CLAUDE.md):
ds-manifest.json — machine-readable catalog of every component in one flat list: import subpath, registry source URL, a one-line description, usage recipes distilled from real product usage, and variant axes with defaults. This is the component source of truth. When building UI, read a component's entry instead of inventing prop/variant names.
CLAUDE.md — how to consume the system: the stack, order-critical CSS wiring, semantic/status/brand tokens, the typography rule (mono only where the system already uses it, plus ids and shift-prone numbers), dark mode, the page-shell pattern, API-key handling, chart guidance, custom-component conventions, accessibility musts, and the hard rules (never edit node_modules, console-product-only variant names are off limits, layerchart stays pinned).
Composite demo pieces that are not standalone primitives — a replay/scrubber bar, a per-subsystem stage panel, a log-line item, a status-badge grid — are built on top of the primitives (slider + button + card + badge) following the manifest's per-component usage recipes and the CLAUDE.md patterns. Don't expect them as imports; do reuse the primitive layer rather than raw markup.
The Stack
The packaged components currently ship for Svelte 5 + SvelteKit + Tailwind v4 + bits-ui — the stack ds create scaffolds — with a React port in progress. Prefer this stack for Newton demo front-ends, and use the published primitives rather than hand-building against the raw tokens or copying assets into the repo. Everything the demos need (logo, charts, menubar, …) ships as a primitive. On non-Svelte stacks, @archetypeai/ds-lib-tokens still applies — it's pure CSS and works with any framework.
Common Pitfalls
Don't transcribe tokens, fonts, or component styles by hand. They live in the packages and ds-manifest.json. A hand-copied second source of truth silently drifts. Read the manifest; install the package.
Prefer the CLI to manual installs. It applies the svelte.config.js runes patch, pins layerchart to the exact prerelease, and keeps a single cn in the tree — replicate all three if you install by hand or the package components won't compile / charts break.
Prefer the Svelte stack. The primitives currently ship for Svelte 5 (a React port is in progress) — build with the ds-ui-svelte-* primitives on SvelteKit rather than hand-rolling markup. On other stacks, use ds-lib-tokens (pure CSS, framework-agnostic) instead of transcribing tokens.
Always pin @latest on the CLI. Run npx @archetypeai/ds-cli@latest …, never bare npx @archetypeai/ds-cli. Bare npx reuses a cached CLI and can scaffold against stale packages, manifest, or the wrong layerchart pin.
Confirm where you scaffold.ds create <name> drops a new <name>/ folder into the current working directory without prompting. Check the cwd and confirm the parent dir + project name with the user first; use init (after cd-ing in) to add the system to an existing project.
Bare inline elements don't inherit their font-size.ds-lib-tokens/theme.css sets an explicit size in @layer base on span, strong, em, a and code (all text-sm) alongside the block primitives. An explicit value beats inheritance, and a class rule doesn't rescue it — .badge { color; border } is more specific but declares no font-size, so the base rule still wins and a <span> inside a 10px row renders at 14px. This bites when you use the tokens standalone with your own type scale rather than the shipped primitives, which set sizes on their own elements. Either size the element itself, or restore inheritance once — unlayered so it outranks @layer base, and inside :where() so it carries no specificity and every other rule still wins: :where(span, strong, em, b, i, code, a) { font-size: inherit; }.
Don't skip fonts silently. Scaffolding with --no-fonts means the licensed brand typeface never loads (fonts.css requests /fonts/PPNeueMontreal-* from static/fonts/) and the UI falls back to system fonts. If a scaffolded app looks off-brand, check static/fonts/ first — and always tell the user when they're in fallback-font mode.
File Layout
skills/atai-design-system/
└── SKILL.md ← this file (delegates to the published packages + the CLI-installed CLAUDE.md/ds-manifest.json)
There are no reference scripts here by design: the design system is the published npm packages and the ds CLI, and component usage, fonts, and styling are owned by the CLAUDE.md + ds-manifest.json the CLI installs into your project. This skill points at those rather than duplicating them.
