Improve website content and fix navigation issues

Update website meta tags, SEO information, and fix a banner overlay bug to ensure all interactive elements are clickable.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 23852c00-4779-460a-9e0c-d09fee4b6c92
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 60ed045f-57e0-4c65-bc71-4205e0064bbb
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/f209e72a-0939-48fa-84fc-57854de71967/23852c00-4779-460a-9e0c-d09fee4b6c92/aNXfGlM
Replit-Helium-Checkpoint-Created: true

server/vite.ts

@@ -27,6 +27,7 @@ function stripExistingMeta(html: string): string {
   html = html.replace(/<meta\s+name="twitter:[^"]*"[^>]*>\s*/gi, "");
   html = html.replace(/<meta\s+name="description"[^>]*>\s*/gi, "");
   html = html.replace(/<meta\s+name="keywords"[^>]*>\s*/gi, "");
+  html = html.replace(/<link\s+rel="canonical"[^>]*>\s*/gi, "");
   return html;
 }
 
@@ -101,7 +102,9 @@ export async function setupVite(server: Server, app: Express) {
               `<meta name="twitter:description" content="${escapeHtml(article.excerpt)}" />`,
               `<meta name="twitter:image" content="${escapeHtml(finalImage)}" />`,
               `<meta name="description" content="${escapeHtml(article.excerpt)}" />`,
-              `<title>${escapeHtml(article.title)} - Folx Music Television</title>`,
+              `<meta name="keywords" content="Volksmusik, Schlager, ${escapeHtml(article.title)}, ${escapeHtml(article.category || 'News')}, FOLX TV" />`,
+              `<link rel="canonical" href="${escapeHtml(articleUrl)}" />`,
+              `<title>${escapeHtml(article.title)} - Volksmusik & Schlager | Folx Music Television</title>`,
             ].join("\n    ");
 
             template = template.replace(/<title>[^<]*<\/title>/, ogTags);