Freeze SAM CD and add terraform/ for seahaven-prod with account-suffixed
buckets so HCP owns deploy before mgmt cutover. Suppress CKV_AWS_40 for
the LangSmith export IAM user with documented mitigations.
Moves proof-or-kill-verified checkov false positives on bootstrap.yaml ExecRole
(CFN-only role, ARN-scoped IAM-user actions gated by an explicit anti-escalation
Deny; KMS CreateKey Resource:* inherent to key creation) from machine-level to a
tracked repo-local .security-review/suppressions.json so the Open SWE
daily-report automation resolves them. Machine-level copy retained until merge.