Align path and fields (API_KEY, API_USER) with provisioned secret; policy and
OIDC role applied; agent-high-risk-boundary deny on data path. Front door ready.
Enable tenant commercial secrets: applier accepts mount tenants/, apply
policy and OIDC role for company-email IMAP (metadata only; values are
founder Red provision). Extend agent-high-risk-boundary for the path.
Record WP-0026 T07 promotion evidence (no secret values), mark the
offsite backup lane front door resolvable/ready, and add OpenBao policy
agent-high-risk-boundary for coding-agent metadata-only access.