Route email-connect transactional SMTP and ingest token.

Catalog id email-connect-transactional (active) with OpenBao pointer playbook
for CCR-2026-0010 / EMAIL-WP-0004 custody.

registry/routing/catalog.yaml

@@ -639,3 +639,39 @@ entries:
         - "SECRET_KEY: make coulomb-social-env-secret COULOMB_SOCIAL_ENV_SECRET_ARGS='--rotate-secret-key' then rollout restart deploy/coulomb-social."
         - "USER_ENGINE_PROXY_SECRET: rotate user-engine/user-engine-runtime, re-run make coulomb-social-env-secret, restart app."
         - "DATABASE_URL: platform rotates apps-pg role password secret; re-run make coulomb-social-env-secret; restart app."
+
+  - id: email-connect-transactional
+    title: email-connect transactional SMTP and caller ingest token
+    need_keywords: [email-connect, transactional, smtp, ionos, starttls, ingest, invitation, verification, EMAIL_CONNECT_SMTP_PASSWORD, EMAIL_CONNECT_INGEST_TOKEN]
+    owner_repo: railiance-platform
+    subsystem: OpenBao + email-connect
+    warden_executes: false
+    wiki_ref: wiki/playbooks/email-connect-transactional.md#worker-checklist
+    canon_ref: railiance-platform/docs/workload-kv-access-lanes.md
+    reviewed: "2026-08-12"
+    status: active
+    risk: high
+    # CCR-2026-0010 approved 2026-08-12; applied same day (EMAIL-WP-0004-T03):
+    # policies external-secrets-email-connect + workload-kv-read-email-connect-transactional,
+    # KV platform/workloads/email-connect/transactional v1, ESO token Secret,
+    # ClusterSecretStore openbao-email-connect Ready, ExternalSecret SecretSynced,
+    # Deployment Ready on railiance01. Positive: user-engine /healthz 200 and
+    # bearer allow-list checks; negative: non-user-engine Connection refused,
+    # unauth 401. user-engine must receive ingest token under its own custody
+    # (not SMTP fields) for production outbox wiring (NK-WP-0024).
+    auth_method: "caller's own OpenBao token (operator OIDC, or ESO child token openbao-email-connect-eso-token)"
+    path_template: "platform/workloads/email-connect/transactional"
+    fetch_command: "bao kv get -field=EMAIL_CONNECT_SMTP_PASSWORD platform/workloads/email-connect/transactional"
+    policy_ref: "flex-auth check secret.read:email-connect"
+    exec_capable: true
+    resolvable: true
+    lane: secret
+    rotation:
+      method: rotate
+      owner: railiance-platform
+      automatable: false
+      steps:
+        - "At IONOS, mint a new mailbox app password for the transactional identity; keep the old password until ESO refresh and pod Ready."
+        - "`bao kv put platform/workloads/email-connect/transactional EMAIL_CONNECT_SMTP_PASSWORD=@file` (and USERNAME/INGEST_TOKEN if those rotate); shred mode-0600 files."
+        - "ESO re-syncs email-connect/email-connect-runtime; roll email-connect. If INGEST_TOKEN changed, update user-engine runtime and roll user-engine."
+        - "Verify capabilities-safe on platform/data/workloads/email-connect/transactional; confirm /healthz Ready without printing secret values."