fix: apply seo agent improvements to src/app/sitemap.ts

src/app/sitemap.ts

@@ -0,0 +1,35 @@
+import type { MetadataRoute } from 'next'
+
+const SITE_URL = process.env.NEXT_PUBLIC_SITE_URL || 'https://example.com'
+
+/**
+ * Static sitemap entries. If you have a database/API you can
+ * fetch dynamic slugs here — this function runs at build time
+ * (or on-demand with ISR).
+ */
+export default function sitemap(): MetadataRoute.Sitemap {
+  const staticRoutes: MetadataRoute.Sitemap = [
+    {
+      url: SITE_URL,
+      lastModified: new Date(),
+      changeFrequency: 'weekly',
+      priority: 1,
+    },
+    {
+      url: `${SITE_URL}/blog`,
+      lastModified: new Date(),
+      changeFrequency: 'daily',
+      priority: 0.9,
+    },
+  ]
+
+  /**
+   * TODO: Replace with real dynamic post slugs fetched from your data source.
+   * Example:
+   *   const posts = await fetch(`${SITE_URL}/api/posts`).then(r => r.json())
+   *   const postRoutes = posts.map(p => ({ url: `${SITE_URL}/blog/${p.slug}`, ... }))
+   */
+  const exampleDynamicRoutes: MetadataRoute.Sitemap = []
+
+  return [...staticRoutes, ...exampleDynamicRoutes]
+}