refactor: Remove auto-redirect to dashboard and update navigation logic in Home component

src/pages/Home.jsx

@@ -1,9 +1,8 @@
-import { useEffect } from 'react';
 import { useNavigate } from 'react-router-dom';
-import { useAuth } from '../hooks/useAuth';
 import { Button, Box } from '@mui/material';
 import { styled } from '@mui/system';
 import { fadeIn } from '../styles/animations';
+import { useAuth } from '../hooks/useAuth';
 
 const HeroSection = styled('section')(({ theme }) => ({
   minHeight: '90vh',
@@ -66,14 +65,10 @@ const CTAButton = styled(Button)(({ theme }) => ({
 }));
 
 const Home = () => {
-  const { isAuthenticated } = useAuth();
   const navigate = useNavigate();
-
-  useEffect(() => {
-    if (isAuthenticated) {
-      navigate('/dashboard');
-    }
-  }, [isAuthenticated, navigate]);
+  const { isAuthenticated } = useAuth();
+  
+  // Auto-redirect to dashboard removed to allow returning to homepage
 
   return (
     <HeroSection>
@@ -87,7 +82,7 @@ const Home = () => {
           variant="contained" 
           color="primary" 
           size="large"
-          onClick={() => navigate('/login')}
+          onClick={() => navigate(isAuthenticated ? '/dashboard' : '/login')}
         >
           Begin Your Journey
         </CTAButton>