fix(security): prevent ESO copying source annotations (CUST-WP-0073)

Assistant: codex
Assistant-Model: gpt-6-astra
Assistant-Session: 01a0e7fb-275d-7db0-b1df-39ed943427da

deploy/k8s/railiance/externalsecret.yaml

@@ -23,6 +23,14 @@ spec:
     kind: ClusterSecretStore
     name: openbao-email-connect
   target:
+    # Explicit target metadata prevents ESO copying source last-applied annotations.
+    template:
+      metadata:
+        labels:
+          app.kubernetes.io/name: email-connect
+          app.kubernetes.io/part-of: email-connect
+        annotations:
+          argocd.argoproj.io/sync-wave: '0'
     name: email-connect-runtime
     creationPolicy: Owner
     deletionPolicy: Retain