test(wizard): share onboarding prompter scaffold

test/helpers/wizard-prompter.ts

@@ -0,0 +1,17 @@
+import { vi } from "vitest";
+import type { WizardPrompter } from "../../src/wizard/prompts.js";
+
+export function createWizardPrompter(overrides?: Partial<WizardPrompter>): WizardPrompter {
+  const select = vi.fn(async () => "quickstart") as unknown as WizardPrompter["select"];
+  return {
+    intro: vi.fn(async () => {}),
+    outro: vi.fn(async () => {}),
+    note: vi.fn(async () => {}),
+    select,
+    multiselect: vi.fn(async () => []),
+    text: vi.fn(async () => ""),
+    confirm: vi.fn(async () => false),
+    progress: vi.fn(() => ({ update: vi.fn(), stop: vi.fn() })),
+    ...overrides,
+  };
+}