Production ready

frontend/app/sitemap.ts

@@ -0,0 +1,34 @@
+import { MetadataRoute } from 'next'
+
+const BASE_URL = process.env.NEXT_PUBLIC_SITE_URL ?? 'https://sitechangemonitor.com'
+
+export default function sitemap(): MetadataRoute.Sitemap {
+  const now = new Date()
+
+  const staticPages = [
+    { url: `${BASE_URL}/`, changeFrequency: 'weekly' as const, priority: 1.0 },
+    { url: `${BASE_URL}/blog`, changeFrequency: 'weekly' as const, priority: 0.7 },
+    { url: `${BASE_URL}/privacy`, changeFrequency: 'yearly' as const, priority: 0.3 },
+    { url: `${BASE_URL}/features`, changeFrequency: 'monthly' as const, priority: 0.9 },
+    { url: `${BASE_URL}/use-cases`, changeFrequency: 'monthly' as const, priority: 0.9 },
+  ]
+
+  const featureSlugs = ['noise-filtering', 'visual-diff', 'keyword-monitoring', 'seo-ranking', 'multi-channel-alerts']
+  const featurePages = featureSlugs.map((slug) => ({
+    url: `${BASE_URL}/features/${slug}`,
+    changeFrequency: 'monthly' as const,
+    priority: 0.8,
+  }))
+
+  const useCaseSlugs = ['ecommerce-price-monitoring', 'seo-serp-tracking', 'compliance-policy-monitoring', 'competitor-intelligence']
+  const useCasePages = useCaseSlugs.map((slug) => ({
+    url: `${BASE_URL}/use-cases/${slug}`,
+    changeFrequency: 'monthly' as const,
+    priority: 0.8,
+  }))
+
+  return [...staticPages, ...featurePages, ...useCasePages].map((page) => ({
+    ...page,
+    lastModified: now,
+  }))
+}