Initial import: open-design source for helix-mind.ai distribution

This repository contains the open-design daemon CLI source code, built
and packaged at https://helix-mind.ai/cli/open-design/latest.tgz for use
by the HelixMind /design slash command.

Licenses: Apache-2.0 (root) + MIT (skills/*)

packages/contracts/tests/package-runtime.test.ts

@@ -0,0 +1,50 @@
+import { readFileSync } from 'node:fs';
+import { access } from 'node:fs/promises';
+import { dirname, join } from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+import { describe, expect, it } from 'vitest';
+
+const packageRoot = join(dirname(fileURLToPath(import.meta.url)), '..');
+
+function readPackageJson(): {
+  exports?: Record<string, { default?: string; types?: string }>;
+  files?: string[];
+  main?: string;
+  types?: string;
+} {
+  return JSON.parse(readFileSync(join(packageRoot, 'package.json'), 'utf8'));
+}
+
+describe('@open-design/contracts package runtime shape', () => {
+  it('exports built JavaScript instead of TypeScript source files', () => {
+    const pkg = readPackageJson();
+
+    expect(pkg.main).toBe('./dist/index.mjs');
+    expect(pkg.types).toBe('./dist/index.d.ts');
+    expect(pkg.files).toEqual(['dist']);
+    expect(pkg.exports?.['.']?.default).toBe('./dist/index.mjs');
+    expect(pkg.exports?.['.']?.types).toBe('./dist/index.d.ts');
+    expect(pkg.exports?.['./critique']?.default).toBe('./dist/critique.mjs');
+    expect(pkg.exports?.['./critique']?.types).toBe('./dist/critique.d.ts');
+  });
+
+  it('points every runtime export at generated files', async () => {
+    await expect(access(join(packageRoot, 'dist/index.mjs'))).resolves.toBeUndefined();
+    await expect(access(join(packageRoot, 'dist/index.d.ts'))).resolves.toBeUndefined();
+    await expect(access(join(packageRoot, 'dist/critique.mjs'))).resolves.toBeUndefined();
+    await expect(access(join(packageRoot, 'dist/critique.d.ts'))).resolves.toBeUndefined();
+  });
+
+  it('makes runtime exports importable through package exports', async () => {
+    const contracts = await import('@open-design/contracts');
+    const critique = await import('@open-design/contracts/critique');
+
+    expect(contracts.composeSystemPrompt).toEqual(expect.any(Function));
+    expect(contracts.exampleHealthResponse).toEqual({ ok: true, service: 'daemon' });
+    expect(critique.defaultCritiqueConfig()).toMatchObject({
+      enabled: false,
+      protocolVersion: critique.CRITIQUE_PROTOCOL_VERSION,
+    });
+  });
+});