REFACTOR(goldilocks): use managedNamespaceMetadata for namespace labels

- Remove namespace.yaml files
- Add managedNamespaceMetadata with Goldilocks label
- Set CreateNamespace=true in syncOptions
- Update kustomization.yaml to remove namespace.yaml references

postgresql-dev/argocd.yaml

@@ -4,45 +4,41 @@ metadata:
   name: postgresql-dev
   namespace: argocd
   finalizers:
-    - resources-finalizer.argocd.argoproj.io
+  - resources-finalizer.argocd.argoproj.io
 spec:
   project: default
-
   sources:
-    - repoURL: https://charts.bitnami.com/bitnami
-      chart: postgresql
-      targetRevision: 16.2.1
-      helm:
-        valueFiles:
-          - $values/postgresql-dev/helm-values.yaml
-    - repoURL: https://gitea0213.kro.kr/bluemayne/databases.git
-      targetRevision: main
-      ref: values
-    # Vault secrets from Git repository
-    - repoURL: https://gitea0213.kro.kr/bluemayne/databases.git
-      targetRevision: main
-      path: postgresql-dev
-
+  - repoURL: https://charts.bitnami.com/bitnami
+    chart: postgresql
+    targetRevision: 16.2.1
+    helm:
+      valueFiles:
+      - $values/postgresql-dev/helm-values.yaml
+  - repoURL: https://gitea0213.kro.kr/bluemayne/databases.git
+    targetRevision: main
+    ref: values
+  - repoURL: https://gitea0213.kro.kr/bluemayne/databases.git
+    targetRevision: main
+    path: postgresql-dev
   destination:
     server: https://kubernetes.default.svc
     namespace: postgresql-dev
-
   syncPolicy:
     automated:
       prune: true
       selfHeal: true
       allowEmpty: false
-
     syncOptions:
-      - CreateNamespace=true
-      - PrunePropagationPolicy=foreground
-      - PruneLast=true
-
+    - CreateNamespace=true
+    - PrunePropagationPolicy=foreground
+    - PruneLast=true
     retry:
       limit: 5
       backoff:
         duration: 5s
         factor: 2
         maxDuration: 3m
-
+    managedNamespaceMetadata:
+      labels:
+        goldilocks.fairwinds.com/enabled: 'true'
   revisionHistoryLimit: 10

postgresql-dev/kustomization.yaml

@@ -1,8 +1,4 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
-
 resources:
-  # argocd.yaml은 수동으로 관리 (순환 참조 방지)
-  # - argocd.yaml
-  - namespace.yaml
-  - vault/postgresql-password-dev.yaml
+- vault/postgresql-password-dev.yaml

postgresql-dev/namespace.yaml

@@ -1,6 +0,0 @@
-apiVersion: v1
-kind: Namespace
-metadata:
-  name: postgresql-dev
-  labels:
-    goldilocks.fairwinds.com/enabled: "true"