实现 B-2b 统一报销工作台迁移（reimbursement-form-shared-component-migration）

client/tests/e2e/r5-real-device-feedback-mobile-ux.spec.ts

@@ -424,7 +424,7 @@ test.describe("R5 真机反馈移动交互", () => {
         expect(listMetrics.scrollWidth).toBeLessThanOrEqual(listMetrics.width + 2);
 
         await page.goto("/mobile/reimbursements/r5-reimbursement-1");
-        await expect(page.getByTestId("mobile-reimbursement-detail")).toBeVisible();
+        await expect(page.getByTestId("reimbursement-mobile-workspace")).toBeVisible();
         await expect(page.getByTestId("mobile-nav-reimbursements")).toHaveCount(0);
         await expect(page.getByRole("button", { name: "返回" })).toBeVisible();
         await expect(page.getByTestId("mobile-reimbursement-sticky-actions")).toBeVisible();