The unstructured half of the manual: build logs, postmortems, weekly trials, and honest arguments. The good parts get promoted into records.
A rehearsal of a column-drop migration ran against production because of an environment variable that outlived its shell. Nothing was lost — 41 minutes of degraded writes and several illusions were.
An agent debugging a staging failure copied a .env file into a test fixture; the PR shipped to a public repo. Keys revoked in 71 minutes. The scanner that should have caught it was configured to ignore fixtures.
An agent 'improved' a dry-run-by-default cleanup script; three weeks later a human ran it the way the old one worked. 4.2M report files gone. Neither alone would have done it.