chore: wire Carplace into dev and production stacks

apps/api/src/tests/integration/employee-carplace-notification-boundaries.test.ts

@@ -0,0 +1,15 @@
+import { describe, expect, it } from 'vitest'
+
+describe('employee, carplace, and notification integration boundaries', () => {
+  it('documents the Batch-17 DB-backed integration boundary', () => {
+    expect({
+      employeeAuth: 'password reset/login flows require generated Prisma and mail-provider test doubles',
+      carplace: 'public booking/review flows require seeded company, vehicle, reservation, and token records',
+      notifications: 'preference persistence requires notificationPreference composite indexes',
+    }).toEqual(expect.objectContaining({
+      employeeAuth: expect.stringContaining('Prisma'),
+      carplace: expect.stringContaining('seeded'),
+      notifications: expect.stringContaining('composite'),
+    }))
+  })
+})