feat: enhance structured data for portfolio items with operating system and URL metadata

Author: AR10Dev

src/pages/index.astro

@@ -439,6 +439,8 @@ const structuredData = {
           <div class="grid gap-6 md:grid-cols-2 lg:grid-cols-3">
             {portfolioItems.map((item) => (
               <article class="group flex flex-col rounded-xl border border-[var(--card-uniform-border)] bg-[var(--card-uniform-bg)] p-6 shadow-[var(--card-shadow)] transition-all hover:-translate-y-1 hover:shadow-xl" itemscope itemtype="https://schema.org/SoftwareApplication">
+                <meta itemprop="operatingSystem" content="Web" />
+                <meta itemprop="url" content={`${siteUrl}/portfolio/${item.id}/`} />
                 <p class="text-xs font-bold uppercase tracking-widest text-[var(--accent-strong)]" itemprop="applicationCategory">{item.data.category}</p>
                 <h3 class="mt-2 text-lg font-bold text-[var(--text-strong)] group-hover:text-[var(--accent-strong)] transition-colors" itemprop="name">
                   <a href={`/portfolio/${item.id}/`}>{item.data.title}</a>