fix(prometheus): drop ServerSideApply — conflicts with managedNamespaceMetadata forced ns apply, blocked all syncs; CRDs installed out-of-band

k8s/argocd/apps/10-storage-observability.yaml

@@ -110,7 +110,9 @@ spec:
       selfHeal: true
     syncOptions:
       - CreateNamespace=true
-      - ServerSideApply=true
+      # ServerSideApply removed — it conflicts with managedNamespaceMetadata's
+      # forced namespace apply ("--force cannot be used with --server-side").
+      # The large monitoring CRDs are installed out-of-band instead.
 ---
 apiVersion: argoproj.io/v1alpha1
 kind: Application