diff --git a/k8s/argocd/apps/70-poimen-memory.yaml b/k8s/argocd/apps/70-poimen-memory.yaml
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+# Wave 7 — poimen-memory k8s resources (namespace poimen).
+#
+# Manages: Deployment, Service, ConfigMap, Redis cache, NetworkPolicies,
+# ServiceMonitor, and any future k8s infra owned by the memory service.
+# Image updates handled by argocd-image-updater (digest strategy, :latest tag).
+#
+# Source: riotpiao-poimen/poimen-memory.git k8s/app/
+# Kustomization at k8s/app/kustomization.yaml lists all managed resources.
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: poimen-memory
+  namespace: argocd
+  annotations:
+    argocd.argoproj.io/sync-wave: "7"
+    argocd-image-updater.argoproj.io/image-list: |
+      memory=forgejo.riotpiao.com/riotpiao-poimen/poimen-memory
+    argocd-image-updater.argoproj.io/memory.update-strategy: digest
+    argocd-image-updater.argoproj.io/memory.allow-tags: regexp:^latest$
+    argocd-image-updater.argoproj.io/write-back-method: argocd
+spec:
+  project: homelab
+  source:
+    repoURL: https://forgejo.riotpiao.com/riotpiao-poimen/poimen-memory.git
+    targetRevision: main
+    path: k8s/app
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: poimen
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true
+    retry:
+      limit: 5
+      backoff:
+        duration: 5s
+        factor: 2
+        maxDuration: 3m