[ai/setup-codex-blueprint 7073a6a] Close approved runtime chunk
 8 files changed, 338 insertions(+), 83 deletions(-)
 delete mode 100644 ai/chunks/backlog/chunk-000223-local-dev-fail-fast-proof-mode-policy.md
 create mode 100644 ai/chunks/completed/chunk-000223-local-dev-fail-fast-proof-mode-policy.md