SEO: Fix structured data validation errors, delete static sitemap, and update indexing scripts

src/components/Breadcrumbs.tsx

@@ -8,11 +8,12 @@ export interface BreadcrumbItem {
 
 interface BreadcrumbsProps {
   items: BreadcrumbItem[];
+  className?: string;
 }
 
-export default function Breadcrumbs({ items }: BreadcrumbsProps) {
+export default function Breadcrumbs({ items, className }: BreadcrumbsProps) {
   return (
-    <nav aria-label="Breadcrumb" className="mb-6">
+    <nav aria-label="Breadcrumb" className={`mb-6 ${className || ''}`}>
       <ol className="flex items-center space-x-2 text-sm text-gray-600">
         {items.map((item, index) => (
           <li key={item.url} className="flex items-center">

src/components/marketing/MiniGenerator.tsx

@@ -143,7 +143,7 @@ export function MiniGenerator() {
             </div>
 
             <div className="mt-8 space-y-3">
-                <Link href="/create" className="block">
+                <Link href="/signup" className="block">
                     <Button className="w-full" size="lg">
                         <Download className="w-4 h-4 mr-2" />
                         Download High-Res

src/components/seo/BreadcrumbSchema.tsx

@@ -72,9 +72,9 @@ export function BreadcrumbSchema({ items, showUI = false }: BreadcrumbSchemaProp
  */
 export function ToolBreadcrumb({ toolName, toolSlug }: { toolName: string; toolSlug: string }) {
     const items: BreadcrumbItem[] = [
-        { name: 'Home', url: 'https://qrmaster.io/' },
-        { name: 'Free QR Code Tools', url: 'https://qrmaster.io/tools' },
-        { name: toolName, url: `https://qrmaster.io/tools/${toolSlug}` },
+        { name: 'Home', url: 'https://www.qrmaster.net/' },
+        { name: 'Free QR Code Tools', url: 'https://www.qrmaster.net/tools' },
+        { name: toolName, url: `https://www.qrmaster.net/tools/${toolSlug}` },
     ];
 
     return <BreadcrumbSchema items={items} showUI={true} />;