Add tenants list endpoint for cleaning-task assignment

backend/src/routes/cleaningTasks.ts

@@ -27,6 +27,21 @@ const TASK_SELECT = {
   assignedUser: { select: { id: true, fullName: true } },
 };
 
+// Vermieter/Admin: Liste der Mieter (für das Zuweisen-Formular im Web-Dashboard).
+cleaningTasksRouter.get(
+  '/tenants',
+  requireAuth,
+  requireRole('LANDLORD', 'ADMIN'),
+  async (_req: AuthedRequest, res: Response) => {
+    const tenants = await prisma.user.findMany({
+      where: { role: 'TENANT' },
+      select: { id: true, fullName: true, room: { select: { id: true, roomNumber: true } } },
+      orderBy: { fullName: 'asc' },
+    });
+    res.status(200).json({ tenants });
+  },
+);
+
 // Vermieter/Admin legen eine neue Putzaufgabe an (z. B. für die kommende Rotationswoche).
 cleaningTasksRouter.post(
   '/cleaning-tasks',