[ai/setup-codex-blueprint c16c8ad] Close approved runtime chunk
 32 files changed, 1240 insertions(+), 89 deletions(-)
 create mode 100644 ai/chunks/completed/chunk-000119-canonical-runtime-cli-shell-retirement-enforcement-durable-approval-lifetime-policy.md
 create mode 100644 ai/governance/registries/shell-entrypoints.yaml
 create mode 100755 ai/governance/validators/validate-shell-entrypoints.sh
 create mode 100644 ai/runtime/src/modules/governance/shell-entrypoints.ts