I deleted sitemap.xml so you can use the dynamic one

src/app/robots.ts

@@ -0,0 +1,12 @@
+import type { MetadataRoute } from 'next';
+
+export default function robots(): MetadataRoute.Robots {
+  const baseUrl = 'https://cheatingchelsea.com';
+  return {
+    rules: {
+      userAgent: '*',
+      allow: '/',
+    },
+    sitemap: `${baseUrl}/sitemap.xml`,
+  };
+}

src/app/sitemap.ts

@@ -0,0 +1,32 @@
+import type { MetadataRoute } from 'next';
+
+export default function sitemap(): MetadataRoute.Sitemap {
+  const baseUrl = 'https://cheatingchelsea.com';
+
+  return [
+    {
+      url: `${baseUrl}/`,
+      lastModified: new Date(),
+      changeFrequency: 'yearly',
+      priority: 1,
+    },
+    {
+      url: `${baseUrl}/long-story`,
+      lastModified: new Date(),
+      changeFrequency: 'monthly',
+      priority: 0.8,
+    },
+    {
+      url: `${baseUrl}/gallery`,
+      lastModified: new Date(),
+      changeFrequency: 'weekly',
+      priority: 0.5,
+    },
+    {
+      url: `${baseUrl}/dadvocate`,
+      lastModified: new Date(),
+      changeFrequency: 'weekly',
+      priority: 0.5,
+    },
+  ];
+}