Fix some issues

frontend/src/pages/public/RegisterPage.tsx

@@ -1,7 +1,8 @@
 import React from 'react';
 import { useNavigate } from 'react-router-dom';
-import { RegistrationContainer } from '../../components/domain/auth';
+import { RegistrationContainer, PrelaunchEmailForm } from '../../components/domain/auth';
 import { PublicLayout } from '../../components/layout';
+import { PRELAUNCH_CONFIG } from '../../config/prelaunch';
 
 const RegisterPage: React.FC = () => {
   const navigate = useNavigate();
@@ -14,6 +15,27 @@ const RegisterPage: React.FC = () => {
     navigate('/login');
   };
 
+  // Show prelaunch email form or full registration based on build-time config
+  if (PRELAUNCH_CONFIG.enabled) {
+    return (
+      <PublicLayout
+        variant="centered"
+        maxWidth="lg"
+        headerProps={{
+          showThemeToggle: true,
+          showAuthButtons: false,
+          showLanguageSelector: true,
+          variant: "minimal"
+        }}
+      >
+        <PrelaunchEmailForm
+          onLoginClick={handleLoginClick}
+          className="mx-auto"
+        />
+      </PublicLayout>
+    );
+  }
+
   return (
     <PublicLayout
       variant="centered"