fix(detail-page-structure-progress-actions): 收敛操作面板定位并补充制单诊断

client/tests/e2e/pc-detail-mobile-visual-wave3.spec.ts

@@ -1159,6 +1159,8 @@ test("Wave3 PC 详情和通知中心视觉截图", async ({ page }) => {
   await expect(page.getByTestId("workflow-task-overview")).toBeVisible();
   await expect(page.getByTestId("workflow-task-overview")).toContainText("2026年5月27日 17:05");
   await expect(page.locator(".workflow-action-panel")).toHaveCSS("position", "sticky");
+  await expect(page.locator(".workflow-action-panel")).toHaveCSS("top", "96px");
+  await expect(page.locator(".workflow-action-panel")).toHaveCSS("z-index", "30");
   await page.setViewportSize({ width: 1440, height: 960 });
   await page.getByTestId("workflow-task-reimbursement-detail-link").click();
   await expect(page).toHaveURL(/\/reimbursements\/reim-wave3$/);