fix: correct metadata dates, remove draft note, remove duplicate section

- Fixed all 'undefined NaN, NaN' dates in metadata divs across all 22 posts
- Removed draft instruction from qr-code-scan-statistics-2026
- Removed duplicate 'Trackable / dynamic QR code' section from trackable-qr-codes
- All posts now have proper 'Last updated' dates showing January 26, 2026

src/components/marketing/GrowthLinksSection.tsx

@@ -0,0 +1,73 @@
+import { ArrowRight } from "lucide-react";
+
+import { TrackedCtaLink } from "@/components/marketing/MarketingAnalytics";
+import { Card } from "@/components/ui/Card";
+
+type PageType = "commercial" | "use_case_hub" | "use_case";
+
+type GrowthLink = {
+  href: string;
+  title: string;
+  description: string;
+  ctaLabel: string;
+};
+
+export function GrowthLinksSection({
+  eyebrow,
+  title,
+  description,
+  links,
+  pageType,
+  cluster,
+  useCase,
+}: {
+  eyebrow: string;
+  title: string;
+  description: string;
+  links: GrowthLink[];
+  pageType: PageType;
+  cluster: string;
+  useCase?: string;
+}) {
+  return (
+    <section className="py-20 bg-slate-50">
+      <div className="container mx-auto px-4 sm:px-6 lg:px-8 max-w-7xl">
+        <div className="max-w-3xl mb-12">
+          <div className="text-sm font-semibold uppercase tracking-[0.22em] text-blue-700">
+            {eyebrow}
+          </div>
+          <h2 className="mt-3 text-4xl font-bold text-slate-900">{title}</h2>
+          <p className="mt-4 text-xl text-slate-600">{description}</p>
+        </div>
+
+        <div className="grid gap-6 lg:grid-cols-4">
+          {links.map((link) => (
+            <TrackedCtaLink
+              key={link.href}
+              href={link.href}
+              ctaLabel={link.ctaLabel}
+              ctaLocation="related_workflows"
+              pageType={pageType}
+              cluster={cluster}
+              useCase={useCase}
+              className="group block h-full"
+            >
+              <Card className="h-full rounded-3xl border-slate-200 bg-white p-7 shadow-sm transition-all hover:-translate-y-1 hover:shadow-lg">
+                <div className="text-lg font-semibold text-slate-900">
+                  {link.title}
+                </div>
+                <p className="mt-3 text-base leading-7 text-slate-600">
+                  {link.description}
+                </p>
+                <div className="mt-6 flex items-center gap-2 text-sm font-semibold text-blue-700">
+                  <span>Open workflow</span>
+                  <ArrowRight className="h-4 w-4 transition-transform group-hover:translate-x-1" />
+                </div>
+              </Card>
+            </TrackedCtaLink>
+          ))}
+        </div>
+      </div>
+    </section>
+  );
+}