fix(occupancies): assign room resources during transfers

apps/admin/src/pages/Occupancies/occupancy-form.integration.test.ts

@@ -0,0 +1,27 @@
+import { describe, expect, it } from 'vitest';
+import dayjs from 'dayjs';
+import { buildTransferPayload } from './occupancy-form';
+
+describe('occupancy transfer form', () => {
+  it('submits the target room resources with the transfer dates', () => {
+    expect(
+      buildTransferPayload({
+        newRoomId: 5,
+        newBedId: 12,
+        newLockerId: 18,
+        transferDate: dayjs('2026-07-13'),
+        oldBillingEndDate: dayjs('2026-07-13'),
+        newBillingStartDate: dayjs('2026-07-14'),
+        reason: '调整宿舍',
+      }),
+    ).toEqual({
+      newRoomId: 5,
+      newBedId: 12,
+      newLockerId: 18,
+      transferDate: '2026-07-13',
+      oldBillingEndDate: '2026-07-13',
+      newBillingStartDate: '2026-07-14',
+      reason: '调整宿舍',
+    });
+  });
+});