feat(analytics): enhance Google Analytics with privacy compliance and comprehensive tracking

- Add automatic route change tracking for SPA navigation
- Implement Cookie consent banner for GDPR compliance
- Add performance tracking (LCP, FID, CLS Web Vitals)
- Add outbound link click tracking
- Integrate contact form submission tracking with conversion events
- Add CTA button click tracking in hero section
- Integrate error tracking in ErrorBoundary component
- Extend analytics utility library with 15+ tracking functions
- Configure IP anonymization and privacy settings
- Remove unused test files and deployment scripts
- Update case studies to include only specified cases
- Fix mobile navigation active state issues
- Fix lint errors in test files and components

BREAKING CHANGE: Google Analytics now requires user consent before tracking

src/app/(marketing)/news/[slug]/NewsDetailClient.tsx

@@ -52,9 +52,19 @@ export function NewsDetailClient({ news }: NewsDetailClientProps) {
           className="max-w-4xl"
         >
           <article className="prose prose-lg max-w-none">
-            <div className="aspect-video bg-linear-to-br from-[#C41E3A]/10 to-[#1C1C1C]/10 rounded-lg mb-8 flex items-center justify-center">
-              <span className="text-6xl">📰</span>
-            </div>
+            {news.image ? (
+              <div className="aspect-video rounded-lg overflow-hidden mb-8">
+                <img
+                  src={news.image}
+                  alt={news.title}
+                  className="w-full h-full object-cover"
+                />
+              </div>
+            ) : (
+              <div className="aspect-video bg-linear-to-br from-[#C41E3A]/10 to-[#1C1C1C]/10 rounded-lg mb-8 flex items-center justify-center">
+                <span className="text-6xl">📰</span>
+              </div>
+            )}
             
             <p className="text-xl text-[#5C5C5C] leading-relaxed mb-8 border-l-4 border-[#C41E3A] pl-6">
               {news.excerpt}
@@ -74,8 +84,18 @@ export function NewsDetailClient({ news }: NewsDetailClientProps) {
                 {relatedNews.map((related) => (
                   <StaticLink key={related.id} href={`/news/${related.id}`}>
                     <div className="group cursor-pointer">
-                      <div className="aspect-video bg-linear-to-br from-[#C41E3A]/10 to-[#1C1C1C]/10 rounded-lg mb-4 flex items-center justify-center group-hover:shadow-lg transition-shadow">
-                        <span className="text-4xl">📰</span>
+                      <div className="aspect-video rounded-lg mb-4 overflow-hidden group-hover:shadow-lg transition-shadow">
+                        {related.image ? (
+                          <img
+                            src={related.image}
+                            alt={related.title}
+                            className="w-full h-full object-cover"
+                          />
+                        ) : (
+                          <div className="w-full h-full bg-linear-to-br from-[#C41E3A]/10 to-[#1C1C1C]/10 flex items-center justify-center">
+                            <span className="text-4xl">📰</span>
+                          </div>
+                        )}
                       </div>
                       <Badge variant="secondary" className="mb-2">
                         {related.category}