fix(security): rebind annotation guard after ESO metadata remediation

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

argocd/platform-addons/secret-annotation-guard/README.md

@@ -35,10 +35,10 @@ That version copies ExternalSecret metadata when no target template exists;
 31 current ExternalSecrets have no template. Removing annotations from targets
 alone cannot stop the controller adding them back. All 39 ExternalSecrets
 recovered after binding deletion; failed controllers were explicitly refreshed.
-The policy remains installed but UNBOUND. `binding.pending.yaml` is deliberately
+The rollback revision `6016f72` left the policy UNBOUND and excluded the binding
-absent from kustomization. No ordinary sync of this revision enables enforcement.
+from kustomization. That revision remains the immediate rollback target.
 
-Before enabling: add explicit metadata templates in the 31 owning declarations,
+Re-enablement prerequisite: add explicit metadata templates in the 31 owning declarations,
 preserving intended labels/annotations except last-applied; apply through owner
 paths; verify actual ESO refresh with annotation-free target Secrets. Retain
 existing data templates and remote references. Do not waive ESO from the policy
@@ -54,3 +54,22 @@ Source for the diagnosed behavior:
 https://github.com/external-secrets/external-secrets/blob/v0.16.1/pkg/controllers/externalsecret/externalsecret_controller_template.go
 
 Detailed receipts: the-custodian/docs/evidence/2026-09-28-secret-annotation-*.json.
+
+## Corrected writer rollout
+
+On September 28 the founder authorized continuing the 31-declaration correction.
+Metadata-only templates are committed and published across the 12 owning repos.
+Server dry-run proved all 31 changes preserve the remaining ExternalSecret spec.
+Direct owner resources used metadata-only SSA; Target Revenue used a selective
+Argo sync of its ExternalSecret, with no migration/bootstrap hooks. All 39
+ExternalSecrets completed fresh successful refreshes before binding activation.
+
+`binding.yaml` is included for the reviewed re-enablement. After syncing, repeat
+the native admission proof and require all 39 ExternalSecrets to complete fresh
+refreshes with the binding present. Keep the safe annotation scan receipt and
+report the absent-namespace orphan separately. No Secret values are read or
+rotated by the metadata maintenance. ESO uses its normal credential refresh path.
+
+Detailed preflight, publication and before/after integration receipts live in
+`the-custodian/docs/evidence/2026-09-28-eso-*.json`. The earlier rollout failure
+and rescue remain recorded; remediation does not count as unchanged success.

argocd/platform-addons/secret-annotation-guard/binding.yaml

@@ -1,4 +1,4 @@
-# NOT included in kustomization: ESO v0.16.1 propagation must be fixed first.
+# CUST-WP-0073: explicit ESO target metadata verified before re-enabling.
 apiVersion: admissionregistration.k8s.io/v1
 kind: ValidatingAdmissionPolicyBinding
 metadata:

argocd/platform-addons/secret-annotation-guard/kustomization.yaml

@@ -2,3 +2,4 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - policy.yaml
+  - binding.yaml