GET /full-auto/status, GET /full-auto/config-plan, POST
/full-auto/validate-action|merge-gate|ci-fix|release-plan|
rollback-plan, POST /full-auto/execute (global admin only,
FULL_AUTO_ENABLED + verified installation + branch protection
verified via GitHub API, else 403 + audit), GET /full-auto/audit.
Guards reused from cloud/full_auto.py; token only in Authorization
header; audit via audit_record redaction into AuthStore audit_log.
