R23-5：补齐关键E2E并修复试点验收稳定性

client/tests/e2e/procurement-flow.spec.ts

@@ -45,7 +45,7 @@ test("E2E 采购主链路：员工提单→经理审批→财务归档", async (
   const title = `Playwright 采购 ${Date.now()}`;
 
   await login(page, EMPLOYEE);
-  await page.getByRole("link", { name: "采购申请" }).click();
+  await page.getByRole("link", { name: "采购申请", exact: true }).first().click();
   await page.getByTestId("purchase-requests-create").click();
 
   await expect(page.getByTestId("purchase-title")).toBeVisible();
@@ -85,7 +85,7 @@ test("E2E 采购主链路：员工提单→经理审批→财务归档", async (
   await logout(page, MANAGER.name);
 
   await login(page, FINANCE_MGR);
-  await page.getByRole("link", { name: "采购申请" }).click();
+  await page.getByRole("link", { name: "采购申请", exact: true }).first().click();
   await page.getByRole("button", { name: "全范围" }).click();
   await page.getByRole("combobox").first().selectOption("approved");
   const purchaseRow = page.getByRole("row").filter({ hasText: title }).first();