feat(seo): generate slugs for brands, categories and products, add GET /sitemap and the Postman collection (#5)

test/app.e2e-spec.ts

@@ -12,7 +12,13 @@ describe('AppController (e2e)', () => {
   const hiboutikService = { startSync: jest.fn() };
   // Rate limiting counters (ThrottlerDatabaseStorage): the database answers "not blocked" unless a test says otherwise
   const notBlocked = { totalHits: 1, timeToExpire: 60, isBlocked: false, timeToBlockExpire: 0 };
-  const prisma = { $queryRaw: jest.fn(), throttlerRecord: { deleteMany: jest.fn().mockResolvedValue({ count: 0 }) } };
+  const prisma = {
+    $queryRaw: jest.fn(),
+    throttlerRecord: { deleteMany: jest.fn().mockResolvedValue({ count: 0 }) },
+    brand: { findMany: jest.fn() },
+    category: { findMany: jest.fn() },
+    product: { findMany: jest.fn() },
+  };
 
   beforeEach(async () => {
     hiboutikService.startSync.mockReset();
@@ -47,6 +53,37 @@ describe('AppController (e2e)', () => {
     expect(hiboutikService.startSync).not.toHaveBeenCalled();
   });
 
+  it('GET /sitemap lists the public pages', async () => {
+    prisma.brand.findMany.mockResolvedValue([{ slug: 'bts' }]);
+    prisma.category.findMany.mockResolvedValue([{ slug: 'albums' }]);
+    prisma.product.findMany.mockResolvedValue([
+      { slug: 'bts-proof', hiboutikUpdatedAt: new Date('2026-11-05T08:00:00Z') },
+      { slug: 'bts-wings', hiboutikUpdatedAt: null },
+    ]);
+
+    await request(app.getHttpServer())
+      .get('/sitemap')
+      .expect(200)
+      .expect('Cache-Control', 'public, max-age=600')
+      .expect({
+        brands: [{ slug: 'bts' }],
+        categories: [{ slug: 'albums' }],
+        products: [
+          { slug: 'bts-proof', updatedAt: '2026-11-05T08:00:00.000Z' },
+          { slug: 'bts-wings', updatedAt: null },
+        ],
+      });
+    // only public rows with a slug are read; products are dated by Hiboutik, not by the last sync
+    expect(prisma.brand.findMany).toHaveBeenCalledWith(expect.objectContaining({ where: { slug: { not: null }, enabled: true } }));
+    expect(prisma.category.findMany).toHaveBeenCalledWith(expect.objectContaining({ where: { slug: { not: null }, webEnabled: true } }));
+    expect(prisma.product.findMany).toHaveBeenCalledWith(
+      expect.objectContaining({
+        where: { slug: { not: null }, enabled: true, archived: false },
+        select: { slug: true, hiboutikUpdatedAt: true },
+      }),
+    );
+  });
+
   afterEach(async () => {
     await app.close();
   });