R89 极简化登录与移动入口

client/src/layouts/AppShellLayout.tsx

@@ -1,11 +1,12 @@
 import { useEffect } from "react";
-import { Outlet, useLocation } from "react-router-dom";
+import { Navigate, Outlet, useLocation } from "react-router-dom";
 import { ErrorBoundary } from "../components/common/ErrorBoundary";
 import { MobileBottomNav } from "../components/mobile/MobileBottomNav";
 import { Sidebar } from "../components/navigation/Sidebar";
 import { Topbar } from "../components/navigation/Topbar";
 import { resolvePageMeta } from "../features/navigation/schema";
 import { writeRecentVisit } from "../lib/recentVisits";
+import { shouldPreferMobileWorkplace } from "../lib/runtimeContext";
 
 export function AppShellLayout() {
   const location = useLocation();
@@ -19,6 +20,10 @@ export function AppShellLayout() {
     writeRecentVisit(pathname, resolvePageMeta(pathname).title);
   }, [location.pathname]);
 
+  if (location.pathname === "/portal" && shouldPreferMobileWorkplace()) {
+    return <Navigate to="/mobile" replace />;
+  }
+
   return (
     <div className="relative flex min-h-screen overflow-hidden bg-[var(--color-bg-canvas)]">
       <div className="pointer-events-none fixed inset-0 -z-10 bg-[radial-gradient(circle_at_12%_8%,rgba(0,57,138,0.10),transparent_28rem),radial-gradient(circle_at_90%_12%,rgba(19,168,184,0.12),transparent_32rem)]" />