fix: Configure HelmRelease to use existing service account

- Add releaseName to match existing resources
- Configure serviceAccount to use existing one
- Add install/upgrade remediation for retries
- Remove invalid force option

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: haimari

docs/flux-helmrelease-final.yaml

@@ -6,8 +6,14 @@ metadata:
 spec:
   interval: 1m
   targetNamespace: karpenter
+  releaseName: karpenter-karpenter
   install:
     createNamespace: true
+    remediation:
+      retries: 3
+  upgrade:
+    remediation:
+      retries: 3
   chart:
     spec:
       chart: ./helm/karpenter-oci
@@ -28,6 +34,10 @@ spec:
       clusterName: "ashburn-ops-oke-stg"
       logLevel: "info"
 
+    serviceAccount:
+      create: false
+      name: karpenter
+    
     # Node selector and tolerations
     nodeSelector:
       node_pool: generic