chore(ops): harden deployment and runtime setup

app/api/health/route.ts

@@ -0,0 +1,20 @@
+import { NextResponse } from "next/server";
+import { adminConfigurationStatus, appVersion, checkStorage } from "@/lib/runtime/config";
+
+export async function GET() {
+  let storage = "ok";
+
+  try {
+    await checkStorage();
+  } catch {
+    storage = "error";
+  }
+
+  return NextResponse.json({
+    status: storage === "ok" ? "ok" : "error",
+    version: appVersion,
+    storage,
+    admin: adminConfigurationStatus(),
+    timestamp: new Date().toISOString(),
+  });
+}