improvement: fdi tooth chart selection modes polished. bugs related to teeth selecyion fixed.

frontend/src/app/[locale]/(dashboard)/layout.tsx

@@ -76,6 +76,15 @@ export default function DashboardLayout({ children }: { children: React.ReactNod
     );
   }
 
+  // Do not mount clinic-only pages for lab orgs (avoids PERMISSION_CLINIC_ONLY toasts during redirect).
+  if (!canAccessDashboardRoute(currentOrganization, pathname)) {
+    return (
+      <div className="h-screen flex items-center justify-center app-web-bg">
+        {t('loadingWorkspace')}
+      </div>
+    );
+  }
+
   return (
     <ToastProvider>
       <div className="app-dashboard-shell flex h-[100dvh] app-web-bg text-text-primary">

frontend/src/app/[locale]/(public)/page.tsx

@@ -11,10 +11,10 @@ export default function HomePage() {
   const t = useTranslations('landing');
   const tAuth = useTranslations('auth');
   const tCommon = useTranslations('common');
-  const { user } = useAuth();
+  const { user, isAuthReady } = useAuth();
 
   return (
-    <div className="min-h-[100dvh] app-web-bg text-text-primary">
+    <div className="min-h-[100dvh] flex flex-col app-web-bg text-text-primary">
       <header className="border-b border-border/70 bg-background-secondary/65 backdrop-blur-sm fixed top-0 w-full z-10">
         <div className="container mx-auto px-4 py-3 sm:py-4 flex flex-wrap items-center justify-between gap-x-4 gap-y-3">
           <Link href="/" className="text-xl sm:text-2xl font-semibold text-text-primary shrink-0">
@@ -23,7 +23,9 @@ export default function HomePage() {
 
           <div className="flex items-center gap-1.5 sm:gap-3 ml-auto shrink-0">
             <TopBarControls />
-            {user ? (
+            {!isAuthReady ? (
+              <span className="inline-block h-9 w-24 sm:w-28 rounded-[var(--radius-md)] bg-background-card/60 animate-pulse" aria-hidden />
+            ) : user ? (
               <Link href="/today">
                 <Button variant="primary" size="sm" className="sm:px-4 sm:py-2 sm:text-sm">
                   {tAuth('dashboard')}
@@ -48,7 +50,7 @@ export default function HomePage() {
         </div>
       </header>
 
-      <main className="container mx-auto px-4 pt-28 sm:pt-32 pb-16 sm:pb-20">
+      <main className="flex-1 container mx-auto px-4 pt-28 sm:pt-32 pb-16 sm:pb-20">
         <div className="max-w-4xl mx-auto text-center">
           <h1 className="text-3xl sm:text-4xl md:text-5xl lg:text-6xl font-semibold mb-4 sm:mb-6 leading-tight">
             {t('heroTitle')}
@@ -59,7 +61,7 @@ export default function HomePage() {
             {t('heroSubtitle')}
           </p>
 
-          {!user && (
+          {isAuthReady && !user && (
             <div className="flex flex-col sm:flex-row items-stretch sm:items-center justify-center gap-3">
               <Link href="/register" className="w-full sm:w-auto">
                 <Button size="lg" variant="primary" fullWidth className="sm:w-auto sm:px-8">
@@ -109,7 +111,7 @@ export default function HomePage() {
         </div>
       </main>
 
-      <footer className="border-t border-border/70 bg-background-secondary/80">
+      <footer className="mt-auto border-t border-border/70 bg-background-secondary/80">
         <div className="container mx-auto px-4 py-8 flex flex-col md:flex-row justify-between items-center text-sm text-text-secondary">
           <div>{t('footerCopyright')}</div>