fix: import pre-existing monitoring namespace into Pulumi state

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

05-monitoring/index.ts

@@ -23,7 +23,7 @@ const opts = (extras?: pulumi.ResourceOptions): pulumi.ResourceOptions => ({
 const ns = new k8s.core.v1.Namespace(
   "monitoring",
   { metadata: { name: "monitoring" } },
-  opts(),
+  { provider: k8sProvider, import: "monitoring" },
 );
 
 const grafanaHost = pulumi.interpolate`grafana.${domain}`;