fix(bootstrap): correct cluster config + complete Phase4 ArgoCD bootstrap permanent fixes

k8s/bootstrap/phase1-storage/longhorn-values.yaml

@@ -1,6 +1,10 @@
 # Longhorn Helm Values — Single Source of Truth
 # Used by both bootstrap.sh (Helm install) and ArgoCD (adoption)
 # Chart: https://github.com/longhorn/charts
+#
+# NOTE: Namespace requires PodSecurity=privileged labels (Longhorn needs host access).
+# bootstrap.sh applies namespace.yaml automatically. For manual install:
+#   kubectl apply -f k8s/bootstrap/phase1-storage/namespace.yaml
 
 defaultSettings:
   # 3-node HA configuration
@@ -26,6 +30,7 @@ persistence:
 
 # CSI plugin must tolerate control-plane taints
 csi:
+  iscsiadmPath: /usr/sbin/iscsiadm
   kubeletRootDir: /var/lib/kubelet
   attacherReplicaCount: 3
   provisionerReplicaCount: 3
@@ -51,6 +56,8 @@ longhornUI:
   replicas: 1
 
 # Monitoring (Prometheus ServiceMonitor)
+# Disabled during bootstrap (Prometheus CRDs not installed yet)
+# Re-enable via ArgoCD after Prometheus stack is deployed
 metrics:
   serviceMonitor:
-    enabled: true
+    enabled: false