diff --git a/artifacts/sandbox-ai/src/App.tsx b/artifacts/sandbox-ai/src/App.tsx
index a75ffb9..a68e114 100644
--- a/artifacts/sandbox-ai/src/App.tsx
+++ b/artifacts/sandbox-ai/src/App.tsx
@@ -277,7 +277,9 @@ function PublicOnlyRouter() {
     <Switch>
       <Route path="/" component={Home} />
       <Route path="/about" component={About} />
-      <Route path="/pricing" component={Pricing} />
+      <Route path="/pricing">
+        <Redirect to="/" />
+      </Route>
       <Route path="/get-app" component={GetApp} />
       <Route path="/auth" component={AuthPortal} />
       <Route path="/mobile-dashboard" component={MobileDashboard} />
@@ -287,10 +289,10 @@ function PublicOnlyRouter() {
       <Route path="/download" component={Download} />
       <Route path="/health-config" component={HealthConfigPage} />
       <Route path="/sign-in/*?">
-        <Redirect to="/" />
+        <Redirect to="/auth" />
       </Route>
       <Route path="/sign-up/*?">
-        <Redirect to="/" />
+        <Redirect to="/auth" />
       </Route>
       <Route path="/chat">
         <Redirect to="/" />
diff --git a/artifacts/sandbox-ai/src/pages/auth-portal.tsx b/artifacts/sandbox-ai/src/pages/auth-portal.tsx
index 29f3f09..edba467 100644
--- a/artifacts/sandbox-ai/src/pages/auth-portal.tsx
+++ b/artifacts/sandbox-ai/src/pages/auth-portal.tsx
@@ -1,16 +1,26 @@
 import { Link } from "wouter";
+import { isAuthEnabled } from "@/config/auth-mode";
 
 export default function AuthPortal() {
+  const signInHref = isAuthEnabled ? "/sign-in" : "/health-config";
+  const signUpHref = isAuthEnabled ? "/sign-up" : "/health-config";
+
   return (
     <div className="min-h-screen bg-black text-white p-6">
       <div className="max-w-md mx-auto pt-12 space-y-6">
         <h1 className="text-3xl font-black">Đăng nhập / Đăng ký</h1>
         <p className="text-sm text-white/70">
-          Quy trình OAuth (Google/GitHub) được xử lý qua Clerk. Bấm nút bên dưới để vào trang xác thực chính thức.
+          {isAuthEnabled
+            ? "Quy trình OAuth (Google/GitHub) được xử lý qua Clerk. Bấm nút bên dưới để vào trang xác thực chính thức."
+            : "Auth đang chạy ở chế độ public nên đăng nhập/đăng ký tạm thời không khả dụng. Mở Health Config để xem biến môi trường cần thiết."}
         </p>
         <div className="grid gap-3">
-          <Link href="/sign-in" className="rounded-xl px-4 py-3 bg-cyan-400 text-black font-bold text-center">Tiếp tục với Google / GitHub</Link>
-          <Link href="/sign-up" className="rounded-xl px-4 py-3 border border-white/20 font-semibold text-center">Tạo tài khoản mới</Link>
+          <Link href={signInHref} className="rounded-xl px-4 py-3 bg-cyan-400 text-black font-bold text-center">
+            {isAuthEnabled ? "Tiếp tục với Google / GitHub" : "Mở Health Config"}
+          </Link>
+          <Link href={signUpHref} className="rounded-xl px-4 py-3 border border-white/20 font-semibold text-center">
+            {isAuthEnabled ? "Tạo tài khoản mới" : "Xem cấu hình auth"}
+          </Link>
         </div>
       </div>
     </div>
diff --git a/artifacts/sandbox-ai/src/pages/termux-lab.tsx b/artifacts/sandbox-ai/src/pages/termux-lab.tsx
index 425287e..54d1c37 100644
--- a/artifacts/sandbox-ai/src/pages/termux-lab.tsx
+++ b/artifacts/sandbox-ai/src/pages/termux-lab.tsx
@@ -10,7 +10,7 @@ export default function TermuxLab() {
         {logs.map((l, i) => <div key={i}>{l}</div>)}
       </div>
       <div className="flex gap-2">
-        <input value={cmd} onChange={(e) => setCmd(e.target.value)} className="flex-1 bg-white/10 text-white px-3 py-2 rounded" />
+        <input aria-label="Command" value={cmd} onChange={(e) => setCmd(e.target.value)} className="flex-1 bg-white/10 text-white px-3 py-2 rounded" />
         <button onClick={() => setLogs((v) => [...v, `$ ${cmd}`, "[ai] suggestion: add --verbose if fail"])} className="px-3 py-2 rounded bg-cyan-500 text-black font-bold">Run</button>
       </div>
     </div>