清理旧 Portal 导航兼容（07-16-legacy-portal-navigation-compat-cleanup）

client/tests/e2e/oafront3-pc-readonly-visual.spec.ts

@@ -250,7 +250,6 @@ async function readMetrics(page: Page) {
       clippedControls,
       forbiddenLike: forbiddenPage,
       appErrorLike: text.includes("页面加载失败") || text.includes("加载失败") || text.includes("出错了"),
-      navPortalCopy: text.includes("Portal"),
     };
   }, ENGLISH_PRIMARY_TERMS);
 }
@@ -413,7 +412,6 @@ async function auditRoute(page: Page, plan: RoutePlan) {
       clippedCount: metrics.clippedControls.length,
       forbiddenLike: metrics.forbiddenLike,
       appErrorLike: metrics.appErrorLike,
-      navPortalCopy: metrics.navPortalCopy,
     },
   });
 }