feat: implement project development module, transfer management features, and industrial AVM model integration

apps/web/components/listings/__tests__/social-share.spec.tsx

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+import { render, screen, fireEvent } from '@testing-library/react';
+import { describe, expect, it } from 'vitest';
+import { SocialShare } from '../social-share';
+
+describe('SocialShare', () => {
+  it('renders Facebook, Zalo and copy-link actions', () => {
+    render(<SocialShare listingId="abc-123" listingTitle="Căn hộ mẫu" />);
+    expect(screen.getByLabelText('Chia sẻ lên Facebook')).toBeInTheDocument();
+    expect(screen.getByLabelText('Chia sẻ lên Zalo')).toBeInTheDocument();
+    expect(screen.getByLabelText('Sao chép liên kết')).toBeInTheDocument();
+  });
+
+  it('shows the backend QR code image when toggled on', () => {
+    render(<SocialShare listingId="abc-123" listingTitle="Căn hộ mẫu" />);
+    const toggle = screen.getByLabelText('Hiện mã QR');
+    fireEvent.click(toggle);
+    const img = screen.getByAltText('Mã QR cho Căn hộ mẫu') as HTMLImageElement;
+    expect(img).toBeInTheDocument();
+    expect(img.src).toContain('/listings/abc-123/qr-code');
+  });
+});