feat: add stuff

apps/api/src/devices/devices.service.spec.ts

@@ -7,8 +7,12 @@ import { StockService } from '../stock/stock.service';
 type Device = { id: string; venueId: string; revokedAt: null; lastSeenAt: Date };
 type SyncResult = Awaited<ReturnType<DevicesService['sync']>>;
 
-// In the past: a time ahead of the server clock would be capped
-const at = (minutes: number) => new Date(Date.UTC(2026, 8, 24, 20, minutes)).toISOString();
+// Yesterday at 20:00 UTC. In the past, as a time ahead of the server clock would be capped, and recent, as a new
+// tablet's first settlements feed only goes back a few days
+const yesterday = new Date(Date.now() - 24 * 60 * 60 * 1000);
+const at = (minutes: number) => new Date(Date.UTC(
+  yesterday.getUTCFullYear(), yesterday.getUTCMonth(), yesterday.getUTCDate(), 20, minutes,
+)).toISOString();
 
 function setup({ seeded = true } = {}) {
   const prisma = createFakePrisma();
@@ -509,6 +513,16 @@ describe('DevicesService.sync: website product changes reach the tablets', () =>
     expect(result.stock).toEqual([expect.objectContaining({ productId: created.productId, stock: 24 })]);
   });
 
+  it('never sends the buy price or desired stock to the tablets', async () => {
+    const { sync, tabletA, stock } = setupWithWebsite();
+
+    await stock.createProduct('v1', { name: 'Ice Tea', priceInCents: 280, buyPriceInCents: 110, stock: 4, desiredStock: 24 }, admin);
+    const result = await sync(tabletA);
+
+    expect(result.catalog![0]).not.toHaveProperty('buyPriceInCents');
+    expect(result.catalog![0]).not.toHaveProperty('desiredStock');
+  });
+
   it('marks an archived product, and still counts a sale from a tablet that had not synced yet', async () => {
     const { sync, tabletA, stock, prisma } = setupWithWebsite();
     addProduct(prisma, 'cola', { stock: 20, countedAt: new Date('2026-01-01') });