fix(e2e): expand collapsed doc rail before category select

Reviewer/approver contexts open with collapsed rail; UI-11 三权
failed looking up doc-category-trigger.

web/e2e/document-revision-runtime.spec.ts

@@ -409,10 +409,20 @@ async function waitForSquadCompletion(
   return Date.now() - startedAt;
 }
 
+async function ensureDocRailExpanded(page: Page) {
+  const expandDocRail = page.getByRole('button', { name: '展开受控文档栏' });
+  if (await expandDocRail.isVisible().catch(() => false)) {
+    await expandDocRail.click();
+    await expect(expandDocRail).toHaveCount(0, { timeout: 10_000 });
+  }
+  await expect(page.getByTestId('doc-category-trigger')).toBeVisible({ timeout: 15_000 });
+}
+
 async function selectDeliverableCategory(
   page: Page,
   category: 'workflow' | 'shared' | 'private',
 ) {
+  await ensureDocRailExpanded(page);
   const trigger = page.getByTestId('doc-category-trigger');
   await expect(trigger).toBeVisible({ timeout: 15_000 });
   await trigger.click();