fix: update sitemap with pSeo pages, fix dynamic metadata placeholders, and add llms.txt

app/sitemap.ts

@@ -28,5 +28,23 @@ export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
         priority: 0.6,
     }));
 
-    return [...staticPages, ...projectPages];
+    // Programmatic SEO pages (Services + Locations)
+    const [services, locations] = await Promise.all([
+        sql`SELECT slug FROM services`,
+        sql`SELECT slug FROM locations`
+    ]);
+
+    const pSeoPages = [];
+    for (const service of services) {
+        for (const location of locations) {
+            pSeoPages.push({
+                url: `${baseUrl}/services/${service.slug}/${location.slug}`,
+                lastModified: new Date(),
+                changeFrequency: 'weekly' as const,
+                priority: 0.7,
+            });
+        }
+    }
+
+    return [...staticPages, ...projectPages, ...pSeoPages];
 }