feat: 添加恢复配置文件和更新集群配置以支持 Barman S3 备份恢复

flux/clusters/restore/infra-devops.yaml

@@ -0,0 +1,19 @@
+# 恢复 profile 仅部署 infra-devops (Velero)，不含 post 层
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: infra-devops
+  namespace: infra-gitops
+spec:
+  interval: 30m
+  timeout: 15m
+  retryInterval: 1m
+  sourceRef:
+    kind: GitRepository
+    name: flux
+  path: ./flux/infrastructure/infra-devops
+  prune: true
+  wait: true
+  dependsOn:
+    - name: sources
+    - name: secrets

flux/clusters/restore/kustomization.yaml

@@ -0,0 +1,8 @@
+# 恢复专用 profile — 仅部署 Velero 用于 PVC 恢复
+# 使用方法: 将 FluxInstance sync.path 临时切换到 flux/clusters/restore
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - ../base/sources.yaml
+  - ../base/secrets.yaml
+  - infra-devops.yaml