docs: record attended SMTP foundation binding confirmation

Assistant: codex
Assistant-Model: gpt-6.1-sol
Assistant-Session: 01a198e4-7903-75b3-aaf3-c89ddac9437d

credential-change-requests/CCR-2026-0056-email-connect-platform-smtp.yaml

@@ -40,6 +40,11 @@ review:
       step creates the scoped projection and verifies SMTP AUTH without sending mail.
       It grants no IMAP access, suppression caller or additional transactional template.
       Approval entered by the founder in the attended terminal.'
+  - at: '2026-11-01T22:40:19+00:00'
+    reviewer: attended-platform-operator
+    decision: binding_confirmed
+    comment: 'CCR-2026-0056 foundation: pinned cluster and namespace, exact new service
+      account and native audience TokenReview verified; receipt sha256:d9f8785060db902f969e5d8d0917494858b2114e8f93ae812dda3a059c090844'
 target:
   domain: communication
   tenant: platform
@@ -65,7 +70,7 @@ openbao:
       - email-connect-platform-smtp-eso
       service_account_namespaces:
       - email-connect
-    bound_claims_confirmed: false
+    bound_claims_confirmed: true
     policies:
     - email-connect-platform-smtp-eso
     ttl: 15m