Publish Meshkee sitemap-config and harden on-page SEO.

Hand sitemap/robots to the Meshkee API proxy and expose build-time static routes plus clearer titles, canonicals, and image alts.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/app/blog/[slug]/page.tsx

@@ -48,6 +48,12 @@ export async function generateMetadata({
     return {
       title: `${blog.title} | مشکی`,
       description: blog.abstract ?? undefined,
+      alternates: { canonical: `/blog/${blog.slug}` },
+      openGraph: {
+        title: blog.title,
+        description: blog.abstract ?? undefined,
+        type: "article",
+      },
     };
   } catch {
     return { title: "مقاله | مشکی" };
@@ -126,7 +132,11 @@ export default async function BlogDetailPage({ params }: BlogDetailPageProps) {
         <div className="mx-auto max-w-3xl px-5 lg:px-8">
           {cover ? (
             <div className="mb-5 overflow-hidden rounded-2xl">
-              <BlogCoverImage src={cover} className="mx-auto max-h-[28rem]" />
+              <BlogCoverImage
+                src={cover}
+                alt={blog.title}
+                className="mx-auto max-h-[28rem]"
+              />
             </div>
           ) : null}