feat: add factory sample machines and robot pricing conversations

src/pages/game/ShowroomDialog.test.jsx

@@ -0,0 +1,20 @@
+import React from 'react';
+import { describe, it, expect, vi, afterEach } from 'vitest';
+import { render, screen, fireEvent, cleanup } from '@testing-library/react';
+import { ShowroomDialog } from './ShowroomDialog.jsx';
+afterEach(cleanup);
+describe('showroom robot questions', () => {
+  it('asks about the selected model and displays catalog data in rial', () => {
+    const actions = { emit: vi.fn(), close: vi.fn() },
+      nodes = { showroom: { modelId: 'rm-48', open: false } };
+    render(<ShowroomDialog nodes={nodes} actions={actions} />);
+    fireEvent.click(screen.getByRole('button', { name: 'روبات، قیمتش چنده؟', hidden: true }));
+    expect(actions.emit).toHaveBeenCalledWith('showroom-question', {
+      modelId: 'rm-48',
+      topic: 'price',
+    });
+    expect(screen.getByText(/۵٬۴۸۰٬۰۰۰٬۰۰۰ ریال/)).toBeInTheDocument();
+    fireEvent.click(screen.getByRole('button', { name: '۶۰ کانال', hidden: true }));
+    expect(actions.emit).toHaveBeenCalledWith('showroom-select', 'rm-60');
+  });
+});