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design language·e2e-ready-file-1781752994

E2E Ready File Proof

A portable design language for agents: download the markdown first, then inspect the preview, tokens, and rules as needed.

Download DESIGN.md

Portable DESIGN.md source of truth for most agents and apps.

the spec

specification

philosophy
summary
E2E Ready File invariant proof language for disposable verification only.
values
proofsafetyartifact integrity
anti-values
×placeholder files×silent publish
tokens
colors12 items
primary
#111111
secondary
#333333
accent
#0066cc
background
#ffffff
surface
#f3f4f6
text
#111827
muted
#6b7280
border
#d1d5db
error
#dc2626
success
#16a34a
warning
#d97706
info
#2563eb
typography8 items
heading font
Inter
body font
Inter
mono font
Menlo
base size
16px
scale ratio
1.2
line height
1.5
letter spacing
0
google fonts url
https://fonts.googleapis.com/css2?family=Inter:wght@400;700&display=swap
spacing2 items
base
8px
scale
4, 8, 12, 16, 24, 32, 48, 64
radii5 items
none
0
sm
2px
md
4px
lg
6px
full
9999px
shadows3 items
sm
none
md
0 1px 2px rgba(0,0,0,.08)
lg
0 4px 12px rgba(0,0,0,.12)
surfaces3 items
treatment
flat proof panels
card style
bordered diagnostic panels
bg pattern
none
borders4 items
default width
1px
accent width
2px
style
solid
character
plain proof boundary
motion3 items
duration
120ms
easing
linear
philosophy
quiet proof feedback
rules
composition

Single-column diagnostic proof layout with explicit artifact state rows.

hierarchy

Clear title, invariant result, and evidence details in descending emphasis.

density

Compact but readable proof-oriented density.

signature patterns
Artifact status rows use labels and machine valuesInvariant failures are surfaced before publish controlsProof panels keep file metadata visible
layout
grid

Single column proof grid with stable rows

breakpoints

mobile, tablet, desktop

whitespace

Tight proof spacing with enough rhythm for scanning

guidance
do
  • Show file status
  • Block placeholder artifacts
  • Record provenance
avoid
  • Publish missing files
  • Hide metadata
  • Use generic decoration
katagami spec
# E2E Ready File Proof

## Philosophy

E2E Ready File invariant proof language for disposable verification only.

### Values

- proof
- safety
- artifact integrity

### Anti-Values

- placeholder files
- silent publish

### Visual Character

- Dense proof grid with explicit file readiness markers
- Plain diagnostic hierarchy with high contrast status rows
- Minimal static HTML structure used only for invariant testing

## Tokens

### Colors

| Name | Value |
|------|-------|
| primary | `#111111` |
| secondary | `#333333` |
| accent | `#0066cc` |
| background | `#ffffff` |
| surface | `#f3f4f6` |
| text | `#111827` |
| muted | `#6b7280` |
| border | `#d1d5db` |
| error | `#dc2626` |
| success | `#16a34a` |
| warning | `#d97706` |
| info | `#2563eb` |

### Typography

- **Heading Font**: Inter
- **Body Font**: Inter
- **Mono Font**: Menlo
- **Base Size**: 16px
- **Scale Ratio**: 1.2
- **Line Height**: 1.5
- **Letter Spacing**: 0
- **Google Fonts Url**: https://fonts.googleapis.com/css2?family=Inter:wght@400;700&display=swap

### Spacing

- **Base**: 8px
- **Scale**: [4,8,12,16,24,32,48,64]

### Radii

- **None**: 0
- **Sm**: 2px
- **Md**: 4px
- **Lg**: 6px
- **Full**: 9999px

### Shadows

- **Sm**: none
- **Md**: 0 1px 2px rgba(0,0,0,.08)
- **Lg**: 0 4px 12px rgba(0,0,0,.12)

### Surfaces

- **Treatment**: flat proof panels
- **Card Style**: bordered diagnostic panels
- **Bg Pattern**: none

### Borders

- **Default Width**: 1px
- **Accent Width**: 2px
- **Style**: solid
- **Character**: plain proof boundary

### Motion

- **Duration**: 120ms
- **Easing**: linear
- **Philosophy**: quiet proof feedback

## Rules

### Composition

Single-column diagnostic proof layout with explicit artifact state rows.

### Hierarchy

Clear title, invariant result, and evidence details in descending emphasis.

### Density

Compact but readable proof-oriented density.

### Signature Patterns

- Artifact status rows use labels and machine values
- Invariant failures are surfaced before publish controls
- Proof panels keep file metadata visible

## Layout

### Grid

Single column proof grid with stable rows

### Breakpoints

mobile, tablet, desktop

### Whitespace

Tight proof spacing with enough rhythm for scanning

## Guidance

### Do

- Show file status
- Block placeholder artifacts
- Record provenance

### Don't

- Publish missing files
- Hide metadata
- Use generic decoration
DESIGN.md
---
version: "alpha"
name: "E2E Ready File Proof"
description: "Agent-curated design language exported from Katagami as DESIGN.md."
colors:
  primary: "#111111"
  secondary: "#333333"
  accent: "#0066cc"
  background: "#ffffff"
  surface: "#f3f4f6"
  text: "#111827"
  muted: "#6b7280"
  border: "#d1d5db"
  error: "#dc2626"
  success: "#16a34a"
  warning: "#d97706"
  info: "#2563eb"
typography:
  headline-lg:
    fontFamily: "Inter"
    fontSize: "1.728rem"
    fontWeight: 700
    lineHeight: 1.1
    letterSpacing: "0px"
  headline-md:
    fontFamily: "Inter"
    fontSize: "1.44rem"
    fontWeight: 600
    lineHeight: 1.15
    letterSpacing: "0px"
  body-md:
    fontFamily: "Inter"
    fontSize: "16px"
    fontWeight: 400
    lineHeight: 1.5
    letterSpacing: "0px"
  label-md:
    fontFamily: "Menlo"
    fontSize: "0.75rem"
    fontWeight: 600
    lineHeight: 1
    letterSpacing: "0.08em"
rounded:
  none: "0px"
  sm: "2px"
  md: "4px"
  lg: "6px"
  full: "9999px"
spacing:
  base: "8px"
  xs: "4px"
  sm: "8px"
  md: "12px"
  lg: "16px"
  xl: "24px"
  2xl: "32px"
  3xl: "48px"
  4xl: "64px"
components:
  color-reference-primary:
    backgroundColor: "{colors.primary}"
  color-reference-secondary:
    backgroundColor: "{colors.secondary}"
  color-reference-accent:
    backgroundColor: "{colors.accent}"
  color-reference-background:
    backgroundColor: "{colors.background}"
  color-reference-surface:
    backgroundColor: "{colors.surface}"
  color-reference-text:
    backgroundColor: "{colors.text}"
  color-reference-muted:
    backgroundColor: "{colors.muted}"
  color-reference-border:
    backgroundColor: "{colors.border}"
  color-reference-error:
    backgroundColor: "{colors.error}"
  color-reference-success:
    backgroundColor: "{colors.success}"
  color-reference-warning:
    backgroundColor: "{colors.warning}"
  color-reference-info:
    backgroundColor: "{colors.info}"
  button-primary:
    backgroundColor: "{colors.primary}"
    textColor: "#ffffff"
    typography: "{typography.label-md}"
    rounded: "{rounded.md}"
    padding: "{spacing.md}"
  card-surface:
    backgroundColor: "{colors.surface}"
    textColor: "{colors.text}"
    rounded: "{rounded.md}"
    padding: "{spacing.md}"
  input-default:
    backgroundColor: "{colors.surface}"
    textColor: "{colors.text}"
    rounded: "{rounded.md}"
    height: "44px"
---

# E2E Ready File Proof

## Overview

E2E Ready File invariant proof language for disposable verification only.

### Values

- proof
- safety
- artifact integrity

### Anti-Values

- placeholder files
- silent publish

### Visual Character

- Dense proof grid with explicit file readiness markers
- Plain diagnostic hierarchy with high contrast status rows
- Minimal static HTML structure used only for invariant testing

## Colors

Use the YAML color tokens as the normative palette. The prose below names the roles agents should preserve when generating UI.

| Token | Value |
|-------|-------|
| primary | `#111111` |
| secondary | `#333333` |
| accent | `#0066cc` |
| background | `#ffffff` |
| surface | `#f3f4f6` |
| text | `#111827` |
| muted | `#6b7280` |
| border | `#d1d5db` |
| error | `#dc2626` |
| success | `#16a34a` |
| warning | `#d97706` |
| info | `#2563eb` |

## Typography

- **Headline-Lg**: Inter, 1.728rem, weight 700, line-height 1.1.
- **Headline-Md**: Inter, 1.44rem, weight 600, line-height 1.15.
- **Body-Md**: Inter, 16px, weight 400, line-height 1.5.
- **Label-Md**: Menlo, 0.75rem, weight 600, line-height 1.

## Layout

### Spacing Tokens

- **Base**: `8px`
- **Xs**: `4px`
- **Sm**: `8px`
- **Md**: `12px`
- **Lg**: `16px`
- **Xl**: `24px`
- **2xl**: `32px`
- **3xl**: `48px`
- **4xl**: `64px`

### Grid

Single column proof grid with stable rows

### Breakpoints

mobile, tablet, desktop

### Whitespace

Tight proof spacing with enough rhythm for scanning

## Elevation & Depth

### Shadows

- **Sm**: none
- **Md**: 0 1px 2px rgba(0,0,0,.08)
- **Lg**: 0 4px 12px rgba(0,0,0,.12)

## Shapes

### Rounded

- **None**: `0px`
- **Sm**: `2px`
- **Md**: `4px`
- **Lg**: `6px`
- **Full**: `9999px`

### Surfaces

- **Treatment**: flat proof panels
- **Card Style**: bordered diagnostic panels
- **Bg Pattern**: none

### Borders

- **Default Width**: 1px
- **Accent Width**: 2px
- **Style**: solid
- **Character**: plain proof boundary

## Components

### Composition

Single-column diagnostic proof layout with explicit artifact state rows.

### Hierarchy

Clear title, invariant result, and evidence details in descending emphasis.

### Density

Compact but readable proof-oriented density.

### Signature Patterns

- Artifact status rows use labels and machine values
- Invariant failures are surfaced before publish controls
- Proof panels keep file metadata visible

## shadcn/ui Usage

When the target app uses shadcn/ui, copy DESIGN.md with shadcn instead of the plain DESIGN.md. It contains the same Katagami design-language source plus the shadcn/ui primitives, imports, theme variables, component recipes, and preview-shot guidance.

DESIGN.md with shadcn: `/language/en-019ed8c1-1d63-73e1-af67-53197d8776e1/DESIGN.with-shadcn.md`.

The shadcn page also exposes optional machine-readable files for automation, but the human-facing handoff is DESIGN.md with shadcn.

Install recommended primitives with `npx shadcn@latest add button card input textarea select dialog sheet tabs badge separator checkbox switch slider tooltip dropdown-menu table`.

Use these primitives in shadcn apps:
- button
- card
- input
- textarea
- select
- dialog
- sheet
- tabs
- badge
- separator
- checkbox
- switch
- slider
- tooltip
- dropdown-menu
- table

Implementation rule for agents: import shadcn primitives from `@/components/ui/*`, apply the generated CSS variables first, then compose the language-specific recipes from the companion MD. Katagami remains the source of truth; shadcn names are the implementation surface.

## Do's and Don'ts

- Do Show file status
- Do Block placeholder artifacts
- Do Record provenance
- Don't Publish missing files
- Don't Hide metadata
- Don't Use generic decoration
shadcn/ui theme
```json
{
  "$schema": "https://ui.shadcn.com/schema/registry-item.json",
  "name": "e2e-ready-file-1781752994",
  "type": "registry:theme",
  "title": "E2E Ready File Proof shadcn Theme",
  "cssVars": {
    "theme": {},
    "light": {
      "background": "#ffffff",
      "foreground": "#111827",
      "card": "#f3f4f6",
      "card-foreground": "#111827",
      "popover": "#f3f4f6",
      "popover-foreground": "#111827",
      "primary": "#111111",
      "primary-foreground": "#ffffff",
      "secondary": "#333333",
      "secondary-foreground": "#ffffff",
      "muted": "#6b7280",
      "muted-foreground": "#111827",
      "accent": "#0066cc",
      "accent-foreground": "#ffffff",
      "destructive": "#dc2626",
      "border": "#d1d5db",
      "input": "#d1d5db",
      "ring": "#0066cc",
      "chart-1": "#111111",
      "chart-2": "#333333",
      "chart-3": "#0066cc",
      "chart-4": "#16a34a",
      "chart-5": "#d97706",
      "sidebar": "#f3f4f6",
      "sidebar-foreground": "#111827",
      "sidebar-primary": "#111111",
      "sidebar-primary-foreground": "#ffffff",
      "sidebar-accent": "#2563eb",
      "sidebar-accent-foreground": "#ffffff",
      "sidebar-border": "#d1d5db",
      "sidebar-ring": "#0066cc",
      "radius": "4px"
    },
    "dark": {
      "background": "#0f1115",
      "foreground": "#f8fafc",
      "card": "#181b22",
      "card-foreground": "#f8fafc",
      "popover": "#181b22",
      "popover-foreground": "#f8fafc",
      "primary": "#111111",
      "primary-foreground": "#ffffff",
      "secondary": "#252a33",
      "secondary-foreground": "#f8fafc",
      "muted": "#252a33",
      "muted-foreground": "#a1a1aa",
      "accent": "#0066cc",
      "accent-foreground": "#ffffff",
      "destructive": "#dc2626",
      "border": "#303642",
      "input": "#303642",
      "ring": "#0066cc",
      "chart-1": "#111111",
      "chart-2": "#333333",
      "chart-3": "#0066cc",
      "chart-4": "#16a34a",
      "chart-5": "#d97706",
      "sidebar": "#181b22",
      "sidebar-foreground": "#f8fafc",
      "sidebar-primary": "#111111",
      "sidebar-primary-foreground": "#ffffff",
      "sidebar-accent": "#0066cc",
      "sidebar-accent-foreground": "#ffffff",
      "sidebar-border": "#303642",
      "sidebar-ring": "#0066cc",
      "radius": "4px"
    }
  },
  "meta": {
    "source": "katagami",
    "languageId": "en-019ed8c1-1d63-73e1-af67-53197d8776e1",
    "slug": "e2e-ready-file-1781752994",
    "componentManifest": [
      "button",
      "card",
      "input",
      "textarea",
      "select",
      "dialog",
      "sheet",
      "tabs",
      "badge",
      "separator",
      "checkbox",
      "switch",
      "slider",
      "tooltip",
      "dropdown-menu",
      "table"
    ],
    "installCommand": "npx shadcn@latest add button card input textarea select dialog sheet tabs badge separator checkbox switch slider tooltip dropdown-menu table",
    "nativeTokenNames": {
      "colors": [
        "accent",
        "background",
        "border",
        "error",
        "info",
        "muted",
        "primary",
        "secondary",
        "success",
        "surface",
        "text",
        "warning"
      ],
      "typography": [
        "base_size",
        "body_font",
        "google_fonts_url",
        "heading_font",
        "letter_spacing",
        "line_height",
        "mono_font",
        "scale_ratio"
      ],
      "spacing": [
        "base",
        "scale"
      ],
      "radii": [
        "full",
        "lg",
        "md",
        "none",
        "sm"
      ],
      "shadows": [
        "lg",
        "md",
        "sm"
      ],
      "surfaces": [
        "bg_pattern",
        "card_style",
        "treatment"
      ],
      "borders": [
        "accent_width",
        "character",
        "default_width",
        "style"
      ],
      "motion": [
        "duration",
        "easing",
        "philosophy"
      ]
    }
  }
}
```
in the wild

embodiments

the full element showcase
embodiment · e2e-ready-file-1781752994
DESIGN.md

at a glance

Palette

Typography

headline-lgInter · 28px · 700

The quick brown fox jumps

headline-mdInter · 23px · 600

The quick brown fox jumps

body-mdInter · 16px · 400

The quick brown fox jumps

label-mdMenlo · 12px · 600

The quick brown fox jumps

Components

New
Card title

Components rendered with this language’s tokens — colors, type, and rounded corners as specified.

Spacing

  • base8px
  • xs4px
  • sm8px
  • md12px
  • lg16px
  • xl24px
  • 2xl32px
  • 3xl48px
  • 4xl64px

Shape

none0px
sm2px
md4px
lg6px
full9999px
shadcn/ui

implementation kit

needs agent-authored kitcompatibility fallback
shadcn compatibility only
The generated theme variables are available, but the polished shadcn component recipes and shots have not been authored by the Katagami agent yet.
fallbackprimitives render
Compatibility proof
Local shadcn-style primitives accept the generated theme variables.
primaryaccentsurfacemutedwarningerror
table rhythm
buttonok
cardok
inputok
recommendedcompatibility fallback

DESIGN.md with shadcn

Copy this when the target app uses shadcn/ui. It packages the Katagami DESIGN.md context with the install list, theme variables, component recipes, preview-shot contract, and starter TSX in one Markdown companion.

advanced implementation filesoptional machine-readable theme, CSS, TSX starter, recipes, and preview contract
shadcn add
npx shadcn@latest add button card input textarea select dialog sheet tabs badge separator checkbox switch slider tooltip dropdown-menu table
theme css
:root {
  --background: #ffffff;
  --foreground: #111827;
  --card: #f3f4f6;
  --card-foreground: #111827;
  --popover: #f3f4f6;
  --popover-foreground: #111827;
  --primary: #111111;
  --primary-foreground: #ffffff;
  --secondary: #333333;
  --secondary-foreground: #ffffff;
  --muted: #6b7280;
  --muted-foreground: #111827;
  --accent: #0066cc;
  --accent-foreground: #ffffff;
  --destructive: #dc2626;
  --border: #d1d5db;
  --input: #d1d5db;
  --ring: #0066cc;
  --chart-1: #111111;
  --chart-2: #333333;
  --chart-3: #0066cc;
  --chart-4: #16a34a;
  --chart-5: #d97706;
  --sidebar: #f3f4f6;
  --sidebar-foreground: #111827;
  --sidebar-primary: #111111;
  --sidebar-primary-foreground: #ffffff;
  --sidebar-accent: #2563eb;
  --sidebar-accent-foreground: #ffffff;
  --sidebar-border: #d1d5db;
  --sidebar-ring: #0066cc;
  --radius: 4px;
}

.dark {
  --background: #0f1115;
  --foreground: #f8fafc;
  --card: #181b22;
  --card-foreground: #f8fafc;
  --popover: #181b22;
  --popover-foreground: #f8fafc;
  --primary: #111111;
  --primary-foreground: #ffffff;
  --secondary: #252a33;
  --secondary-foreground: #f8fafc;
  --muted: #252a33;
  --muted-foreground: #a1a1aa;
  --accent: #0066cc;
  --accent-foreground: #ffffff;
  --destructive: #dc2626;
  --border: #303642;
  --input: #303642;
  --ring: #0066cc;
  --chart-1: #111111;
  --chart-2: #333333;
  --chart-3: #0066cc;
  --chart-4: #16a34a;
  --chart-5: #d97706;
  --sidebar: #181b22;
  --sidebar-foreground: #f8fafc;
  --sidebar-primary: #111111;
  --sidebar-primary-foreground: #ffffff;
  --sidebar-accent: #0066cc;
  --sidebar-accent-foreground: #ffffff;
  --sidebar-border: #303642;
  --sidebar-ring: #0066cc;
  --radius: 4px;
}
tsx starter
import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";
import {
  Card,
  CardContent,
  CardDescription,
  CardFooter,
  CardHeader,
  CardTitle,
} from "@/components/ui/card";
import { Input } from "@/components/ui/input";
import { Tabs, TabsList, TabsTrigger } from "@/components/ui/tabs";

export function E2eReadyFileProofShadcnKit() {
  return (
    <section className="grid gap-4 rounded-[var(--radius)] border bg-background p-4 text-foreground">
      <div className="flex items-start justify-between gap-4">
        <div>
          <Badge variant="outline">shadcn/ui</Badge>
          <h2 className="mt-3 text-2xl font-semibold tracking-tight">E2E Ready File Proof</h2>
          <p className="mt-1 max-w-xl text-sm text-muted-foreground">
            Use the Katagami registry theme, then compose these shadcn primitives
            with the language-specific component recipes.
          </p>
        </div>
        <Button>Apply theme</Button>
      </div>

      <Tabs defaultValue="components">
        <TabsList>
          <TabsTrigger value="components">Components</TabsTrigger>
          <TabsTrigger value="states">States</TabsTrigger>
          <TabsTrigger value="export">Export</TabsTrigger>
        </TabsList>
      </Tabs>

      <Card>
        <CardHeader>
          <CardTitle>Component recipe</CardTitle>
          <CardDescription>
            Replace this starter content with the agent-authored product scene
            from components.md and preview-shots.json.
          </CardDescription>
        </CardHeader>
        <CardContent className="grid gap-3 sm:grid-cols-[1fr_auto]">
          <Input defaultValue="Tokenized shadcn surface" aria-label="Recipe name" />
          <Button variant="secondary">Preview state</Button>
        </CardContent>
        <CardFooter className="justify-between">
          <Badge>Ready</Badge>
          <Button variant="outline">Copy recipe</Button>
        </CardFooter>
      </Card>
    </section>
  );
}
theme JSONcompatibility fallback
{
  "$schema": "https://ui.shadcn.com/schema/registry-item.json",
  "name": "e2e-ready-file-1781752994",
  "type": "registry:theme",
  "title": "E2E Ready File Proof shadcn Theme",
  "cssVars": {
    "theme": {},
    "light": {
      "background": "#ffffff",
      "foreground": "#111827",
      "card": "#f3f4f6",
      "card-foreground": "#111827",
      "popover": "#f3f4f6",
      "popover-foreground": "#111827",
      "primary": "#111111",
      "primary-foreground": "#ffffff",
      "secondary": "#333333",
      "secondary-foreground": "#ffffff",
      "muted": "#6b7280",
      "muted-foreground": "#111827",
      "accent": "#0066cc",
      "accent-foreground": "#ffffff",
      "destructive": "#dc2626",
      "border": "#d1d5db",
      "input": "#d1d5db",
      "ring": "#0066cc",
      "chart-1": "#111111",
      "chart-2": "#333333",
      "chart-3": "#0066cc",
      "chart-4": "#16a34a",
      "chart-5": "#d97706",
      "sidebar": "#f3f4f6",
      "sidebar-foreground": "#111827",
      "sidebar-primary": "#111111",
      "sidebar-primary-foreground": "#ffffff",
      "sidebar-accent": "#2563eb",
      "sidebar-accent-foreground": "#ffffff",
      "sidebar-border": "#d1d5db",
      "sidebar-ring": "#0066cc",
      "radius": "4px"
    },
    "dark": {
      "background": "#0f1115",
      "foreground": "#f8fafc",
      "card": "#181b22",
      "card-foreground": "#f8fafc",
      "popover": "#181b22",
      "popover-foreground": "#f8fafc",
      "primary": "#111111",
      "primary-foreground": "#ffffff",
      "secondary": "#252a33",
      "secondary-foreground": "#f8fafc",
      "muted": "#252a33",
      "muted-foreground": "#a1a1aa",
      "accent": "#0066cc",
      "accent-foreground": "#ffffff",
      "destructive": "#dc2626",
      "border": "#303642",
      "input": "#303642",
      "ring": "#0066cc",
      "chart-1": "#111111",
      "chart-2": "#333333",
      "chart-3": "#0066cc",
      "chart-4": "#16a34a",
      "chart-5": "#d97706",
      "sidebar": "#181b22",
      "sidebar-foreground": "#f8fafc",
      "sidebar-primary": "#111111",
      "sidebar-primary-foreground": "#ffffff",
      "sidebar-accent": "#0066cc",
      "sidebar-accent-foreground": "#ffffff",
      "sidebar-border": "#303642",
      "sidebar-ring": "#0066cc",
      "radius": "4px"
    }
  },
  "meta": {
    "source": "katagami",
    "languageId": "en-019ed8c1-1d63-73e1-af67-53197d8776e1",
    "slug": "e2e-ready-file-1781752994",
    "componentManifest": [
      "button",
      "card",
      "input",
      "textarea",
      "select",
      "dialog",
      "sheet",
      "tabs",
      "badge",
      "separator",
      "checkbox",
      "switch",
      "slider",
      "tooltip",
      "dropdown-menu",
      "table"
    ],
    "installCommand": "npx shadcn@latest add button card input textarea select dialog sheet tabs badge separator checkbox switch slider tooltip dropdown-menu table",
    "nativeTokenNames": {
      "colors": [
        "accent",
        "background",
        "border",
        "error",
        "info",
        "muted",
        "primary",
        "secondary",
        "success",
        "surface",
        "text",
        "warning"
      ],
      "typography": [
        "base_size",
        "body_font",
        "google_fonts_url",
        "heading_font",
        "letter_spacing",
        "line_height",
        "mono_font",
        "scale_ratio"
      ],
      "spacing": [
        "base",
        "scale"
      ],
      "radii": [
        "full",
        "lg",
        "md",
        "none",
        "sm"
      ],
      "shadows": [
        "lg",
        "md",
        "sm"
      ],
      "surfaces": [
        "bg_pattern",
        "card_style",
        "treatment"
      ],
      "borders": [
        "accent_width",
        "character",
        "default_width",
        "style"
      ],
      "motion": [
        "duration",
        "easing",
        "philosophy"
      ]
    }
  }
}
component recipescompatibility fallback
# E2E Ready File Proof shadcn/ui Components

Artifact: `component-recipes-v1`
Author: `katagami-ui-projection`
Language ID: `en-019ed8c1-1d63-73e1-af67-53197d8776e1`
Slug: `e2e-ready-file-1781752994`

## Intent

E2E Ready File invariant proof language for disposable verification only.

## Required primitives

- button
- card
- input
- textarea
- select
- dialog
- sheet
- tabs
- badge
- separator
- checkbox
- switch
- slider
- tooltip
- dropdown-menu
- table

Install with `npx shadcn@latest add button card input textarea select dialog sheet tabs badge separator checkbox switch slider tooltip dropdown-menu table`.

## Token cues

Colors:

{
  "primary": "#111111",
  "secondary": "#333333",
  "accent": "#0066cc",
  "background": "#ffffff",
  "surface": "#f3f4f6",
  "text": "#111827",
  "muted": "#6b7280",
  "border": "#d1d5db",
  "error": "#dc2626",
  "success": "#16a34a",
  "warning": "#d97706",
  "info": "#2563eb"
}

Typography:

{
  "heading_font": "Inter",
  "body_font": "Inter",
  "mono_font": "Menlo",
  "base_size": "16px",
  "scale_ratio": 1.2,
  "line_height": 1.5,
  "letter_spacing": "0",
  "google_fonts_url": "https://fonts.googleapis.com/css2?family=Inter:wght@400;700&display=swap"
}

## Visual character to preserve

- Dense proof grid with explicit file readiness markers
- Plain diagnostic hierarchy with high contrast status rows
- Minimal static HTML structure used only for invariant testing

## ShadSync visual profile

{
  "family": "system",
  "material": "flat",
  "contour": "default",
  "border": "solid",
  "underlay": false,
  "grain": false,
  "stickerBadges": false,
  "motion": "still",
  "density": "dense",
  "accents": [
    "primary",
    "accent",
    "secondary",
    "muted"
  ]
}

## Signature component recipes

### Button
Use `Button` for primary, secondary, outline, and ghost actions. Primary actions must expose the language's strongest contrast pair, while secondary and ghost actions should preserve the surface treatment instead of falling back to default neutral SaaS styling.

### Card
Use `Card`, `CardHeader`, `CardContent`, `CardFooter`, and `CardAction` as the main composition frame. Cards should demonstrate the language's surface, border, hierarchy, and density rules rather than appearing as generic rounded rectangles.

### Input and Textarea
Use `Input` and `Textarea` with visible focus rings, field labels, validation states, and the language's rhythm. Forms should show real product content, not placeholder-only controls.

### Select, Tabs, and Table
Use `Select`, `Tabs`, and `Table` to prove navigation, filtering, and dense data states. The table should show row rhythm, separators, hover/focus states, and an empty or status state when the language calls for it.

### Dialog and Sheet
Use `Dialog` for centered decisions and `Sheet` for contextual editing. Both should inherit the language's spacing, border, overlay, and motion rules.

## Preview shots

- `application-shell`: dashboard or workspace shell with navigation, cards, forms, and state badges.
- `detail-editor`: focused editing flow using input, textarea, select, switch/checkbox, dialog or sheet, and action buttons.
- `data-operations`: table-heavy operational view with tabs, dropdown menu affordances, badges, and destructive/empty states.
- Each preview shot must include a renderable `scene` payload with concrete headline, description, actions, and rows/fields/stats for the UI preview.

## Implementation contract

- Start from local `ui/src/components/ui` shadcn-style primitives; do not create a second component system.
- Apply `/katagami/shadcn/e2e-ready-file-1781752994/registry-theme.json` variables, then use these recipes for composition and state design.
- Preserve Katagami token names as source metadata; shadcn semantic names are only the export surface.
- Do: Show file status; Block placeholder artifacts; Record provenance
- Do not: Publish missing files; Hide metadata; Use generic decoration

## Copy-paste component example

This generated starter proves the import shape. Production Katagami agents should replace it with a language-specific product composition.

```tsx
import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";
import {
  Card,
  CardContent,
  CardDescription,
  CardFooter,
  CardHeader,
  CardTitle,
} from "@/components/ui/card";
import { Input } from "@/components/ui/input";
import { Tabs, TabsList, TabsTrigger } from "@/components/ui/tabs";

export function E2eReadyFileProofShadcnKit() {
  return (
    <section className="grid gap-4 rounded-[var(--radius)] border bg-background p-4 text-foreground">
      <div className="flex items-start justify-between gap-4">
        <div>
          <Badge variant="outline">shadcn/ui</Badge>
          <h2 className="mt-3 text-2xl font-semibold tracking-tight">E2E Ready File Proof</h2>
          <p className="mt-1 max-w-xl text-sm text-muted-foreground">
            Use the Katagami registry theme, then compose these shadcn primitives
            with the language-specific component recipes.
          </p>
        </div>
        <Button>Apply theme</Button>
      </div>

      <Tabs defaultValue="components">
        <TabsList>
          <TabsTrigger value="components">Components</TabsTrigger>
          <TabsTrigger value="states">States</TabsTrigger>
          <TabsTrigger value="export">Export</TabsTrigger>
        </TabsList>
      </Tabs>

      <Card>
        <CardHeader>
          <CardTitle>Component recipe</CardTitle>
          <CardDescription>
            Replace this starter content with the agent-authored product scene
            from components.md and preview-shots.json.
          </CardDescription>
        </CardHeader>
        <CardContent className="grid gap-3 sm:grid-cols-[1fr_auto]">
          <Input defaultValue="Tokenized shadcn surface" aria-label="Recipe name" />
          <Button variant="secondary">Preview state</Button>
        </CardContent>
        <CardFooter className="justify-between">
          <Badge>Ready</Badge>
          <Button variant="outline">Copy recipe</Button>
        </CardFooter>
      </Card>
    </section>
  );
}
```

## Layout notes

{
  "grid": "Single column proof grid with stable rows",
  "breakpoints": "mobile, tablet, desktop",
  "whitespace": "Tight proof spacing with enough rhythm for scanning"
}
preview shotscompatibility fallback
{
  "artifact": "katagami:shadcn-preview-shots",
  "version": "preview-shots-v1",
  "generator": "katagami-ui-compatibility-projection",
  "generatedBy": "katagami-ui-projection",
  "requiresVisualProfile": true,
  "schema": "katagami:shadcn-preview-shots/renderable-v1",
  "renderable": true,
  "language": {
    "id": "en-019ed8c1-1d63-73e1-af67-53197d8776e1",
    "name": "E2E Ready File Proof",
    "slug": "e2e-ready-file-1781752994"
  },
  "installCommand": "npx shadcn@latest add button card input textarea select dialog sheet tabs badge separator checkbox switch slider tooltip dropdown-menu table",
  "primitives": [
    "button",
    "card",
    "input",
    "textarea",
    "select",
    "dialog",
    "sheet",
    "tabs",
    "badge",
    "separator",
    "checkbox",
    "switch",
    "slider",
    "tooltip",
    "dropdown-menu",
    "table"
  ],
  "identityNotes": [
    "Dense proof grid with explicit file readiness markers",
    "Plain diagnostic hierarchy with high contrast status rows",
    "Minimal static HTML structure used only for invariant testing"
  ],
  "visualProfile": {
    "family": "system",
    "material": "flat",
    "contour": "default",
    "border": "solid",
    "underlay": false,
    "grain": false,
    "stickerBadges": false,
    "motion": "still",
    "density": "dense",
    "accents": [
      "primary",
      "accent",
      "secondary",
      "muted"
    ]
  },
  "shots": [
    {
      "id": "application-shell",
      "title": "Application shell",
      "viewport": "desktop",
      "primitives": [
        "button",
        "card",
        "input",
        "select",
        "tabs",
        "badge",
        "separator",
        "table"
      ],
      "composition": "A real product workspace with navigation, summary cards, filtering controls, and one dense content region.",
      "mustShow": [
        "primary and secondary actions",
        "card hierarchy",
        "filterable state",
        "table or list density"
      ],
      "avoid": [
        "component inventory walls",
        "placeholder-only content",
        "generic rounded SaaS chrome"
      ],
      "scene": {
        "eyebrow": "workspace spread",
        "headline": "E2E Ready File Proof launch room",
        "description": "A product team workspace where navigation, filters, metrics, and dense rows carry the language's visible structure.",
        "primaryAction": "Apply theme",
        "secondaryAction": "Review states",
        "stats": [
          {
            "label": "components",
            "value": "16",
            "tone": "accent"
          },
          {
            "label": "states",
            "value": "ready"
          },
          {
            "label": "density",
            "value": "balanced",
            "tone": "warning"
          }
        ],
        "rows": [
          {
            "label": "Primary flow",
            "value": "mapped",
            "status": "active"
          },
          {
            "label": "Token coverage",
            "value": "semantic",
            "status": "synced"
          },
          {
            "label": "Responsive proof",
            "value": "queued",
            "status": "review"
          }
        ],
        "statuses": [
          "Active",
          "Synced",
          "Draft"
        ]
      }
    },
    {
      "id": "detail-editor",
      "title": "Detail editor",
      "viewport": "tablet",
      "primitives": [
        "button",
        "card",
        "input",
        "textarea",
        "select",
        "checkbox",
        "switch",
        "slider",
        "dialog",
        "sheet"
      ],
      "composition": "A focused editing flow with form fields, validation, confirmation, and a contextual side panel.",
      "mustShow": [
        "focus ring",
        "error or destructive state",
        "dialog or sheet treatment",
        "written guidance content"
      ],
      "avoid": [
        "unstyled browser controls",
        "floating cards inside cards",
        "missing labels"
      ],
      "scene": {
        "eyebrow": "editing flow",
        "headline": "Language recipe editor",
        "description": "A focused form proving labels, validation, toggles, panel rhythm, and action hierarchy.",
        "primaryAction": "Save recipe",
        "secondaryAction": "Open sheet",
        "fields": [
          {
            "label": "Component family",
            "value": "Narrative cards"
          },
          {
            "label": "State treatment",
            "value": "Visible focus + validation"
          },
          {
            "label": "Motion",
            "value": "Small lift, no opacity-only fade"
          }
        ],
        "statuses": [
          "Focus",
          "Invalid",
          "Confirmed"
        ]
      }
    },
    {
      "id": "data-operations",
      "title": "Data operations",
      "viewport": "mobile",
      "primitives": [
        "button",
        "tabs",
        "badge",
        "dropdown-menu",
        "table",
        "tooltip",
        "separator"
      ],
      "composition": "A compact operational view proving row rhythm, stacked actions, menu states, badges, and empty/destructive states.",
      "mustShow": [
        "responsive reflow",
        "dense row styling",
        "menu affordance",
        "status badge system"
      ],
      "avoid": [
        "desktop-only tables",
        "text overflow",
        "default shadcn spacing without Katagami character"
      ],
      "scene": {
        "eyebrow": "operations",
        "headline": "Compact review queue",
        "description": "A narrow viewport scene with rows, menus, tooltips, badges, and destructive affordances.",
        "primaryAction": "Resolve",
        "secondaryAction": "Filter",
        "rows": [
          {
            "label": "Button hierarchy",
            "value": "approved",
            "status": "ok"
          },
          {
            "label": "Table rhythm",
            "value": "needs pass",
            "status": "watch"
          },
          {
            "label": "Empty state",
            "value": "designed",
            "status": "done"
          }
        ],
        "statuses": [
          "Queued",
          "Blocked",
          "Done"
        ]
      }
    }
  ],
  "componentRecipes": [
    {
      "primitive": "button",
      "intent": "Prove action hierarchy, focus, disabled, and destructive states."
    },
    {
      "primitive": "card",
      "intent": "Carry the language surface, border, elevation, and density rules."
    },
    {
      "primitive": "input",
      "intent": "Show labels, focus rings, validation, and spacing rhythm."
    },
    {
      "primitive": "textarea",
      "intent": "Show longer guidance, validation copy, and writing density."
    },
    {
      "primitive": "select",
      "intent": "Show filtering, selection contrast, and menu trigger styling."
    },
    {
      "primitive": "dialog",
      "intent": "Show centered decision states and overlay treatment."
    },
    {
      "primitive": "sheet",
      "intent": "Show contextual side panels and responsive editing."
    },
    {
      "primitive": "tabs",
      "intent": "Show navigational structure and active/inactive contrast."
    },
    {
      "primitive": "badge",
      "intent": "Show compact status vocabulary and semantic colors."
    },
    {
      "primitive": "separator",
      "intent": "Show section rhythm without generic gray dividers."
    },
    {
      "primitive": "checkbox",
      "intent": "Show binary selection with visible focus and checked states."
    },
    {
      "primitive": "switch",
      "intent": "Show settings toggles and on/off contrast."
    },
    {
      "primitive": "slider",
      "intent": "Show numeric adjustment with track/thumb styling."
    },
    {
      "primitive": "tooltip",
      "intent": "Show concise explanation styling above compact controls."
    },
    {
      "primitive": "dropdown-menu",
      "intent": "Show action menus, destructive items, and grouped choices."
    },
    {
      "primitive": "table",
      "intent": "Show dense operational data, separators, row states, and responsive behavior."
    }
  ],
  "qualityRules": {
    "do": [
      "Show file status",
      "Block placeholder artifacts",
      "Record provenance"
    ],
    "dont": [
      "Publish missing files",
      "Hide metadata",
      "Use generic decoration"
    ]
  }
}