chore: add health endpoint

src/pages/api/health.ts

@@ -0,0 +1,18 @@
+import type { APIRoute } from 'astro'
+
+// Served on demand so it always reflects the live server, never a build-time snapshot.
+export const prerender = false
+
+export const GET: APIRoute = () => {
+  const body = {
+    status: 'ok',
+  }
+
+  return new Response(JSON.stringify(body), {
+    status: 200,
+    headers: {
+      'Content-Type': 'application/json',
+      'Cache-Control': 'no-store',
+    },
+  })
+}