test(fixtures): add vite-kitchen fixture repo

Minimal Vite + React + TS + Tailwind app with a typed-props Button
component (the future react-docgen-typescript scan target), landed at
fixtures/ outside the pnpm workspace and turbo graph. Its dependencies
exist on paper only — the runner installs them after cloning (story 04);
no lockfile, never pnpm-installed here.

Ignore surfaces follow the docs/product/reference precedent: fallow,
root ESLint, prettier, and the coverage:diff ALLOWED_GLOBS all skip
fixtures/**.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016j8z4VHjedXDTjEDNg7qHK

fixtures/vite-kitchen/src/App.tsx

@@ -0,0 +1,12 @@
+import { Button } from "./components/Button";
+
+export function App() {
+  return (
+    <main className="flex min-h-screen flex-col items-center justify-center gap-4 bg-slate-50">
+      <h1 className="text-2xl font-semibold text-slate-900">vite-kitchen</h1>
+      <Button variant="primary" size="md">
+        Order up
+      </Button>
+    </main>
+  );
+}

fixtures/vite-kitchen/src/components/Button.tsx

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+import type { ReactNode } from "react";
+
+export interface ButtonProps {
+  /** Visual emphasis of the button. */
+  variant?: "primary" | "secondary" | "ghost";
+  /** Control scale — padding and font size. */
+  size?: "sm" | "md" | "lg";
+  /** Disables interaction and dims the control. */
+  disabled?: boolean;
+  /** Button label content. */
+  children: ReactNode;
+}
+
+const variantClasses: Record<NonNullable<ButtonProps["variant"]>, string> = {
+  primary: "bg-blue-600 text-white hover:bg-blue-700",
+  secondary: "bg-slate-200 text-slate-900 hover:bg-slate-300",
+  ghost: "bg-transparent text-blue-600 hover:bg-blue-50",
+};
+
+const sizeClasses: Record<NonNullable<ButtonProps["size"]>, string> = {
+  sm: "px-2.5 py-1.5 text-sm",
+  md: "px-4 py-2 text-base",
+  lg: "px-6 py-3 text-lg",
+};
+
+/**
+ * The kitchen's one interactive component. Its name and typed props are the
+ * target of the registry scan (react-docgen-typescript) in later stories.
+ */
+export function Button({
+  variant = "primary",
+  size = "md",
+  disabled = false,
+  children,
+}: ButtonProps) {
+  return (
+    <button
+      type="button"
+      className={`rounded-md font-medium transition-colors disabled:cursor-not-allowed disabled:opacity-50 ${variantClasses[variant]} ${sizeClasses[size]}`}
+      disabled={disabled}
+    >
+      {children}
+    </button>
+  );
+}

fixtures/vite-kitchen/src/index.css

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+@import "tailwindcss";

fixtures/vite-kitchen/src/main.tsx

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+import { StrictMode } from "react";
+import { createRoot } from "react-dom/client";
+import { App } from "./App";
+import "./index.css";
+
+const rootElement = document.getElementById("root");
+if (!rootElement) {
+  throw new Error("vite-kitchen: #root element not found");
+}
+
+createRoot(rootElement).render(
+  <StrictMode>
+    <App />
+  </StrictMode>,
+);