chore(design): convert gstack's own DESIGN.md to the open spec

`gstack-design-md convert --write` on the repo's DESIGN.md: tokens in YAML
front matter (typography.display/body/label/mono, colors with their light/dark
qualifiers, spacing scale, rounded scale), Overview from Product Context and
Aesthetic Direction, Colors / Typography / Layout as canonical sections, Motion,
Grain Texture, and Decisions Log preserved as extras, format marker on line 2.
Hand-checked; `check` reports spec with no token-reference errors. A Decisions
Log row records the conversion and that DM Sans stays the body face: it is on
the overused-as-display list, and body/UI use on an Operate surface is the
allowed exception under the role-scoped rule.

The pre-conversion file lives on as test/fixtures/design-md-legacy.md, which
test/design-md.test.ts now uses for its legacy cases; the converted root file
is asserted to be spec.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
Garry Tan
2026-09-08 16:28:40 +00:00
co-authored by Claude Fable 5.1
parent 4308e487aa
commit 59cfa1547f
3 changed files with 172 additions and 28 deletions
+78 -25
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@@ -1,37 +1,65 @@
---
# gstack: design-md-format=spec
name: gstack
typography:
display:
fontFamily: Satoshi
body:
fontFamily: DM Sans
label:
fontFamily: DM Sans
mono:
fontFamily: JetBrains Mono
fontFeature: tnum
colors:
primary-dark-mode: "#F59E0B"
primary-light-mode: "#D97706"
primary-text-accent-dark-mode: "#FBBF24"
primary-text-accent-light-mode: "#B45309"
zinc-50: "#FAFAFA"
zinc-400: "#A1A1AA"
zinc-600: "#52525B"
zinc-800: "#27272A"
surface-dark: "#141414"
base-dark: "#0C0C0C"
surface-light: "#FFFFFF"
base-light: "#FAFAF9"
success: "#22C55E"
warning: "#F59E0B"
error: "#EF4444"
info: "#3B82F6"
spacing:
2xs: 2px
xs: 4px
sm: 8px
md: 16px
lg: 24px
xl: 32px
2xl: 48px
3xl: 64px
rounded:
sm: 4px
md: 8px
lg: 12px
full: 9999px
---
# Design System — gstack
## Product Context
## Overview
- **What this is:** Community website for gstack — a CLI tool that turns Claude Code into a virtual engineering team
- **Who it's for:** Developers discovering gstack, existing community members
- **Space/industry:** Developer tools (peers: Linear, Raycast, Warp, Zed)
- **Project type:** Community dashboard + marketing site
## Aesthetic Direction
- **Direction:** Industrial/Utilitarian — function-first, data-dense, monospace as personality font
- **Decoration level:** Intentional — subtle noise/grain texture on surfaces for materiality
- **Mood:** Serious tool built by someone who cares about craft. Warm, not cold. The CLI heritage IS the brand.
- **Reference sites:** formulae.brew.sh (competitor, but ours is live and interactive), Linear (dark + restrained), Warp (warm accents)
## Typography
- **Display/Hero:** Satoshi (Black 900 / Bold 700) — geometric with warmth, distinctive letterforms (the lowercase 'a' and 'g'). Not Inter, not Geist. Loaded from Fontshare CDN.
- **Body:** DM Sans (Regular 400 / Medium 500 / Semibold 600) — clean, readable, slightly friendlier than geometric display. Loaded from Google Fonts.
- **UI/Labels:** DM Sans (same as body)
- **Data/Tables:** JetBrains Mono (Regular 400 / Medium 500) — the personality font. Supports tabular-nums. Monospace should be prominent, not hidden in code blocks. Loaded from Google Fonts.
- **Code:** JetBrains Mono
- **Loading:** Google Fonts for DM Sans + JetBrains Mono, Fontshare for Satoshi. Use `display=swap`.
- **Scale:**
- Hero: 72px / clamp(40px, 6vw, 72px)
- H1: 48px
- H2: 32px
- H3: 24px
- H4: 18px
- Body: 16px
- Small: 14px
- Caption: 13px
- Micro: 12px
- Nano: 11px (JetBrains Mono labels)
## Colors
## Color
- **Approach:** Restrained — amber accent is rare and meaningful. Dashboard data gets the color; chrome stays neutral.
- **Primary (dark mode):** amber-500 #F59E0B — warm, energetic, reads as "terminal cursor"
- **Primary (light mode):** amber-600 #D97706 — darker for contrast against white backgrounds
@@ -50,12 +78,28 @@
- **Dark mode:** Default. Near-black base (#0C0C0C), surface cards at #141414, borders at #262626.
- **Light mode:** Warm stone base (#FAFAF9), white surface cards, stone borders (#E7E5E4). Amber accent shifts to amber-600 for contrast.
## Spacing
- **Base unit:** 4px
- **Density:** Comfortable — not cramped (not Bloomberg Terminal), not spacious (not a marketing site)
- **Scale:** 2xs(2px) xs(4px) sm(8px) md(16px) lg(24px) xl(32px) 2xl(48px) 3xl(64px)
## Typography
- **Display/Hero:** Satoshi (Black 900 / Bold 700) — geometric with warmth, distinctive letterforms (the lowercase 'a' and 'g'). Not Inter, not Geist. Loaded from Fontshare CDN.
- **Body:** DM Sans (Regular 400 / Medium 500 / Semibold 600) — clean, readable, slightly friendlier than geometric display. Loaded from Google Fonts.
- **UI/Labels:** DM Sans (same as body)
- **Data/Tables:** JetBrains Mono (Regular 400 / Medium 500) — the personality font. Supports tabular-nums. Monospace should be prominent, not hidden in code blocks. Loaded from Google Fonts.
- **Code:** JetBrains Mono
- **Loading:** Google Fonts for DM Sans + JetBrains Mono, Fontshare for Satoshi. Use `display=swap`.
- **Scale:**
- Hero: 72px / clamp(40px, 6vw, 72px)
- H1: 48px
- H2: 32px
- H3: 24px
- H4: 18px
- Body: 16px
- Small: 14px
- Caption: 13px
- Micro: 12px
- Nano: 11px (JetBrains Mono labels)
## Layout
- **Approach:** Grid-disciplined for dashboard, editorial hero for landing page
- **Grid:** 12 columns at lg+, 1 column at mobile
- **Max content width:** 1200px (6xl)
@@ -65,13 +109,20 @@
- Badges/pills: full (9999px)
- Skill bars: sm (4px)
### Spacing
- **Base unit:** 4px
- **Density:** Comfortable — not cramped (not Bloomberg Terminal), not spacious (not a marketing site)
- **Scale:** 2xs(2px) xs(4px) sm(8px) md(16px) lg(24px) xl(32px) 2xl(48px) 3xl(64px)
## Motion
- **Approach:** Minimal-functional — only transitions that aid comprehension. The dashboard's live feed IS the motion.
- **Easing:** enter(ease-out / cubic-bezier(0.16,1,0.3,1)) exit(ease-in) move(ease-in-out)
- **Duration:** micro(50-100ms) short(150ms) medium(250ms) long(400ms)
- **Animated elements:** live feed dot pulse (2s infinite), skill bar fill (600ms ease-out), hover states (150ms)
## Grain Texture
Apply a subtle noise overlay to the entire page for materiality:
- Dark mode: opacity 0.03
- Light mode: opacity 0.02
@@ -79,8 +130,10 @@ Apply a subtle noise overlay to the entire page for materiality:
- pointer-events: none, position: fixed, z-index: 9999
## Decisions Log
| Date | Decision | Rationale |
|------|----------|-----------|
| 2026-03-21 | Initial design system | Created by /design-consultation. Industrial aesthetic, warm amber accent, Satoshi + DM Sans + JetBrains Mono. |
| 2026-03-21 | Light mode amber-600 | amber-500 too bright/washed against white; amber-700 too brown/umber. amber-600 is the sweet spot. |
| 2026-03-21 | Grain texture | Adds materiality to flat dark surfaces. Prevents the "generic SaaS template" sameness. |
| 2026-09-08 | Open DESIGN.md format | Converted with `gstack-design-md convert`: tokens in front matter, canonical sections, Motion and Decisions Log kept as extras. DM Sans stays the body face: it sits on the overused-as-display list, and body/UI use on an Operate surface is the allowed exception under the role-scoped rule. |
+8 -3
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@@ -21,7 +21,8 @@ import { updateDesignMd, readDesignConstraints } from '../design/src/memory';
const ROOT = path.join(import.meta.dir, '..');
const BIN = path.join(ROOT, 'bin', 'gstack-design-md.ts');
const LEGACY = fs.readFileSync(path.join(ROOT, 'DESIGN.md'), 'utf-8');
// gstack's own DESIGN.md is now in the open format; its pre-conversion form is the legacy fixture.
const LEGACY = fs.readFileSync(path.join(ROOT, 'test', 'fixtures', 'design-md-legacy.md'), 'utf-8');
const SPEC = `---
# gstack: design-md-format=spec
@@ -80,10 +81,14 @@ describe('parse + detect', () => {
expect(detectFormat(doc)).toEqual({ format: 'spec' });
});
test("gstack's own DESIGN.md is legacy; a fresh file is unknown; nothing is missing", () => {
test("the legacy fixture is legacy, gstack's own DESIGN.md is spec; a fresh file is unknown; nothing is missing", () => {
const doc = parseDesignMd(LEGACY);
expect(isLegacyGstackFormat(doc)).toBe(true);
expect(detectFormat(doc)).toEqual({ format: 'legacy' });
const own = parseDesignMd(fs.readFileSync(path.join(ROOT, 'DESIGN.md'), 'utf-8'));
expect(detectFormat(own)).toEqual({ format: 'spec' });
expect(own.marker).toBe('spec');
expect(tokensFlat(own.frontmatter).errors).toEqual([]);
expect(detectFormat(parseDesignMd('# Hello\n\nJust prose.\n')).format).toBe('unknown');
expect(detectFormat(null)).toEqual({ format: 'missing' });
});
@@ -191,7 +196,7 @@ describe('tokens', () => {
});
});
describe("convertLegacy on gstack's own DESIGN.md", () => {
describe('convertLegacy on the legacy fixture (gstack\'s pre-conversion DESIGN.md)', () => {
const converted = convertLegacy(parseDesignMd(LEGACY));
const out = renderDesignMd(converted, { emitFrontmatter: true });
+86
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@@ -0,0 +1,86 @@
# Design System — gstack
## Product Context
- **What this is:** Community website for gstack — a CLI tool that turns Claude Code into a virtual engineering team
- **Who it's for:** Developers discovering gstack, existing community members
- **Space/industry:** Developer tools (peers: Linear, Raycast, Warp, Zed)
- **Project type:** Community dashboard + marketing site
## Aesthetic Direction
- **Direction:** Industrial/Utilitarian — function-first, data-dense, monospace as personality font
- **Decoration level:** Intentional — subtle noise/grain texture on surfaces for materiality
- **Mood:** Serious tool built by someone who cares about craft. Warm, not cold. The CLI heritage IS the brand.
- **Reference sites:** formulae.brew.sh (competitor, but ours is live and interactive), Linear (dark + restrained), Warp (warm accents)
## Typography
- **Display/Hero:** Satoshi (Black 900 / Bold 700) — geometric with warmth, distinctive letterforms (the lowercase 'a' and 'g'). Not Inter, not Geist. Loaded from Fontshare CDN.
- **Body:** DM Sans (Regular 400 / Medium 500 / Semibold 600) — clean, readable, slightly friendlier than geometric display. Loaded from Google Fonts.
- **UI/Labels:** DM Sans (same as body)
- **Data/Tables:** JetBrains Mono (Regular 400 / Medium 500) — the personality font. Supports tabular-nums. Monospace should be prominent, not hidden in code blocks. Loaded from Google Fonts.
- **Code:** JetBrains Mono
- **Loading:** Google Fonts for DM Sans + JetBrains Mono, Fontshare for Satoshi. Use `display=swap`.
- **Scale:**
- Hero: 72px / clamp(40px, 6vw, 72px)
- H1: 48px
- H2: 32px
- H3: 24px
- H4: 18px
- Body: 16px
- Small: 14px
- Caption: 13px
- Micro: 12px
- Nano: 11px (JetBrains Mono labels)
## Color
- **Approach:** Restrained — amber accent is rare and meaningful. Dashboard data gets the color; chrome stays neutral.
- **Primary (dark mode):** amber-500 #F59E0B — warm, energetic, reads as "terminal cursor"
- **Primary (light mode):** amber-600 #D97706 — darker for contrast against white backgrounds
- **Primary text accent (dark mode):** amber-400 #FBBF24
- **Primary text accent (light mode):** amber-700 #B45309
- **Neutrals:** Cool zinc grays
- zinc-50: #FAFAFA (lightest)
- zinc-400: #A1A1AA
- zinc-600: #52525B
- zinc-800: #27272A
- Surface (dark): #141414
- Base (dark): #0C0C0C
- Surface (light): #FFFFFF
- Base (light): #FAFAF9
- **Semantic:** success #22C55E, warning #F59E0B, error #EF4444, info #3B82F6
- **Dark mode:** Default. Near-black base (#0C0C0C), surface cards at #141414, borders at #262626.
- **Light mode:** Warm stone base (#FAFAF9), white surface cards, stone borders (#E7E5E4). Amber accent shifts to amber-600 for contrast.
## Spacing
- **Base unit:** 4px
- **Density:** Comfortable — not cramped (not Bloomberg Terminal), not spacious (not a marketing site)
- **Scale:** 2xs(2px) xs(4px) sm(8px) md(16px) lg(24px) xl(32px) 2xl(48px) 3xl(64px)
## Layout
- **Approach:** Grid-disciplined for dashboard, editorial hero for landing page
- **Grid:** 12 columns at lg+, 1 column at mobile
- **Max content width:** 1200px (6xl)
- **Border radius:** sm:4px, md:8px, lg:12px, full:9999px
- Cards/panels: lg (12px)
- Buttons/inputs: md (8px)
- Badges/pills: full (9999px)
- Skill bars: sm (4px)
## Motion
- **Approach:** Minimal-functional — only transitions that aid comprehension. The dashboard's live feed IS the motion.
- **Easing:** enter(ease-out / cubic-bezier(0.16,1,0.3,1)) exit(ease-in) move(ease-in-out)
- **Duration:** micro(50-100ms) short(150ms) medium(250ms) long(400ms)
- **Animated elements:** live feed dot pulse (2s infinite), skill bar fill (600ms ease-out), hover states (150ms)
## Grain Texture
Apply a subtle noise overlay to the entire page for materiality:
- Dark mode: opacity 0.03
- Light mode: opacity 0.02
- Use SVG feTurbulence filter as a CSS background-image on body::after
- pointer-events: none, position: fixed, z-index: 9999
## Decisions Log
| Date | Decision | Rationale |
|------|----------|-----------|
| 2026-03-21 | Initial design system | Created by /design-consultation. Industrial aesthetic, warm amber accent, Satoshi + DM Sans + JetBrains Mono. |
| 2026-03-21 | Light mode amber-600 | amber-500 too bright/washed against white; amber-700 too brown/umber. amber-600 is the sweet spot. |
| 2026-03-21 | Grain texture | Adds materiality to flat dark surfaces. Prevents the "generic SaaS template" sameness. |