Refactor multiline formatting, link definitions, and code consistency across components and tests

- Improved readability by updating multiline statements and object definitions.
- Applied consistent link and button wrapping in `DemoSection` and other components.
- Enhanced test assertions and helper functions with uniform formatting and parentheses usage.

frontend/src/app/demos/page.tsx

@@ -27,7 +27,8 @@ import { Separator } from '@/components/ui/separator';
 
 export const metadata: Metadata = {
   title: 'Demo Tour | FastNext Template',
-  description: 'Try all features with demo credentials - comprehensive guide to the FastNext template',
+  description:
+    'Try all features with demo credentials - comprehensive guide to the FastNext template',
 };
 
 const demoCategories = [
@@ -36,7 +37,12 @@ const demoCategories = [
     title: 'Design System Hub',
     description: 'Browse components, layouts, spacing, and forms with live examples',
     href: '/dev',
-    features: ['All UI components', 'Layout patterns', 'Spacing philosophy', 'Form implementations'],
+    features: [
+      'All UI components',
+      'Layout patterns',
+      'Spacing philosophy',
+      'Form implementations',
+    ],
     credentials: null,
   },
   {
@@ -260,7 +266,8 @@ export default function DemoTourPage() {
                       {/* CTA */}
                       <Button asChild className="w-full gap-2">
                         <Link href={category.href}>
-                          {category.credentials ? 'Try Now' : 'Explore'} <ArrowRight className="h-4 w-4" />
+                          {category.credentials ? 'Try Now' : 'Explore'}{' '}
+                          <ArrowRight className="h-4 w-4" />
                         </Link>
                       </Button>
                     </CardContent>

frontend/src/app/dev/page.tsx

@@ -14,7 +14,8 @@ import { Separator } from '@/components/ui/separator';
 
 export const metadata: Metadata = {
   title: 'Design System Hub | FastNext Template',
-  description: 'Interactive design system demonstrations with live examples - explore components, layouts, spacing, and forms built with shadcn/ui and Tailwind CSS',
+  description:
+    'Interactive design system demonstrations with live examples - explore components, layouts, spacing, and forms built with shadcn/ui and Tailwind CSS',
 };
 
 const demoPages = [

frontend/src/components/dev/DevLayout.tsx

@@ -10,7 +10,17 @@
 
 import Link from 'next/link';
 import { usePathname } from 'next/navigation';
-import { Code2, Palette, LayoutDashboard, Box, FileText, BookOpen, Home, ArrowLeft, Rocket } from 'lucide-react';
+import {
+  Code2,
+  Palette,
+  LayoutDashboard,
+  Box,
+  FileText,
+  BookOpen,
+  Home,
+  ArrowLeft,
+  Rocket,
+} from 'lucide-react';
 import { Button } from '@/components/ui/button';
 import { Badge } from '@/components/ui/badge';
 import { ThemeToggle } from '@/components/theme';

frontend/src/components/home/DemoSection.tsx

@@ -120,9 +120,7 @@ export function DemoSection() {
         transition={{ duration: 0.6, delay: 0.4 }}
       >
         <Button asChild variant="outline" size="lg" className="gap-2">
-          <Link href="/demos">
+          <Link href="/demos">View Complete Demo Tour →</Link>
-            View Complete Demo Tour →
-          </Link>
         </Button>
       </motion.div>
     </section>

frontend/tests/app/demos/page.test.tsx

@@ -30,7 +30,10 @@ describe('DemoTourPage', () => {
       const header = screen.getByRole('banner');
       expect(within(header).getByText('Demo Tour')).toBeInTheDocument();
       expect(within(header).getByRole('link', { name: /home/i })).toHaveAttribute('href', '/');
-      expect(within(header).getByRole('link', { name: /start exploring/i })).toHaveAttribute('href', '/login');
+      expect(within(header).getByRole('link', { name: /start exploring/i })).toHaveAttribute(
+        'href',
+        '/login'
+      );
     });
   });
 
@@ -38,7 +41,9 @@ describe('DemoTourPage', () => {
     it('renders hero heading and description', () => {
       render(<DemoTourPage />);
       expect(screen.getByText('Explore All Features')).toBeInTheDocument();
-      expect(screen.getByText(/Try everything with our pre-configured demo accounts/i)).toBeInTheDocument();
+      expect(
+        screen.getByText(/Try everything with our pre-configured demo accounts/i)
+      ).toBeInTheDocument();
     });
 
     it('renders Interactive Demo badge', () => {
@@ -63,7 +68,9 @@ describe('DemoTourPage', () => {
       expect(screen.getByText(/Copy the demo credentials and login/i)).toBeInTheDocument();
 
       expect(screen.getByText('Explore Freely')).toBeInTheDocument();
-      expect(screen.getByText(/Test all features - everything resets automatically/i)).toBeInTheDocument();
+      expect(
+        screen.getByText(/Test all features - everything resets automatically/i)
+      ).toBeInTheDocument();
     });
   });
 
@@ -77,7 +84,9 @@ describe('DemoTourPage', () => {
     it('renders Design System Hub category', () => {
       render(<DemoTourPage />);
       expect(screen.getByText('Design System Hub')).toBeInTheDocument();
-      expect(screen.getByText(/Browse components, layouts, spacing, and forms/i)).toBeInTheDocument();
+      expect(
+        screen.getByText(/Browse components, layouts, spacing, and forms/i)
+      ).toBeInTheDocument();
       expect(screen.getByText('All UI components')).toBeInTheDocument();
       expect(screen.getByText('Layout patterns')).toBeInTheDocument();
       expect(screen.getByText('Spacing philosophy')).toBeInTheDocument();
@@ -136,14 +145,14 @@ describe('DemoTourPage', () => {
 
       // Design System Hub
       const exploreLinks = screen.getAllByRole('link', { name: /explore/i });
-      expect(exploreLinks.some(link => link.getAttribute('href') === '/dev')).toBe(true);
+      expect(exploreLinks.some((link) => link.getAttribute('href') === '/dev')).toBe(true);
 
       // Authentication System
       const tryNowLinks = screen.getAllByRole('link', { name: /try now/i });
       expect(tryNowLinks.length).toBeGreaterThan(0);
-      expect(tryNowLinks.some(link => link.getAttribute('href') === '/login')).toBe(true);
+      expect(tryNowLinks.some((link) => link.getAttribute('href') === '/login')).toBe(true);
-      expect(tryNowLinks.some(link => link.getAttribute('href') === '/settings')).toBe(true);
+      expect(tryNowLinks.some((link) => link.getAttribute('href') === '/settings')).toBe(true);
-      expect(tryNowLinks.some(link => link.getAttribute('href') === '/admin')).toBe(true);
+      expect(tryNowLinks.some((link) => link.getAttribute('href') === '/admin')).toBe(true);
     });
   });
 
@@ -178,13 +187,13 @@ describe('DemoTourPage', () => {
 
       // Quick Tour links
       const devLinks = screen.getAllByRole('link');
-      const hasDevLink = devLinks.some(link => link.getAttribute('href') === '/dev');
+      const hasDevLink = devLinks.some((link) => link.getAttribute('href') === '/dev');
       expect(hasDevLink).toBe(true);
 
-      const hasLoginLink = devLinks.some(link => link.getAttribute('href') === '/login');
+      const hasLoginLink = devLinks.some((link) => link.getAttribute('href') === '/login');
       expect(hasLoginLink).toBe(true);
 
-      const hasSettingsLink = devLinks.some(link => link.getAttribute('href') === '/settings');
+      const hasSettingsLink = devLinks.some((link) => link.getAttribute('href') === '/settings');
       expect(hasSettingsLink).toBe(true);
     });
   });
@@ -199,7 +208,9 @@ describe('DemoTourPage', () => {
     it('renders Feature Checklist card', () => {
       render(<DemoTourPage />);
       expect(screen.getByText('Feature Checklist')).toBeInTheDocument();
-      expect(screen.getByText(/Try these features to experience the full power/i)).toBeInTheDocument();
+      expect(
+        screen.getByText(/Try these features to experience the full power/i)
+      ).toBeInTheDocument();
     });
 
     it('renders all checklist items', () => {
@@ -224,17 +235,19 @@ describe('DemoTourPage', () => {
     it('renders final CTA heading', () => {
       render(<DemoTourPage />);
       expect(screen.getByText('Ready to Start?')).toBeInTheDocument();
-      expect(screen.getByText(/Pick a demo category above or jump right into the action/i)).toBeInTheDocument();
+      expect(
+        screen.getByText(/Pick a demo category above or jump right into the action/i)
+      ).toBeInTheDocument();
     });
 
     it('has CTA buttons', () => {
       render(<DemoTourPage />);
 
       const tryAuthLinks = screen.getAllByRole('link', { name: /try authentication flow/i });
-      expect(tryAuthLinks.some(link => link.getAttribute('href') === '/login')).toBe(true);
+      expect(tryAuthLinks.some((link) => link.getAttribute('href') === '/login')).toBe(true);
 
       const browseDesignLinks = screen.getAllByRole('link', { name: /browse design system/i });
-      expect(browseDesignLinks.some(link => link.getAttribute('href') === '/dev')).toBe(true);
+      expect(browseDesignLinks.some((link) => link.getAttribute('href') === '/dev')).toBe(true);
     });
   });
 
@@ -263,7 +276,7 @@ describe('DemoTourPage', () => {
       expect(allLinks.length).toBeGreaterThan(10);
 
       // Verify key destination paths exist
-      const hrefs = allLinks.map(link => link.getAttribute('href'));
+      const hrefs = allLinks.map((link) => link.getAttribute('href'));
       expect(hrefs).toContain('/');
       expect(hrefs).toContain('/dev');
       expect(hrefs).toContain('/login');

frontend/tests/app/page.test.tsx

@@ -267,7 +267,7 @@ describe('HomePage', () => {
 
       // Close the modal
       const closeButtons = screen.getAllByRole('button', { name: /close/i });
-      const modalCloseButton = closeButtons.find(btn => btn.textContent === 'Close');
+      const modalCloseButton = closeButtons.find((btn) => btn.textContent === 'Close');
       if (modalCloseButton) {
         fireEvent.click(modalCloseButton);
       }