Development record

memory persisted-file WRITE path still emits raw control characters: yaml.go dumpString, RenderIndex/RenderContradictions/renderLogEvent, and the source-block licence written into page frontmatter are not run through termsafe.CleanProse, so a raw cat/git diff/pager over a committed memory page replays escapes. Lower-acuity write-time follow-up to the terminal-render fix (#250/#262), which closed the acute read path. Flagged by the #250/#262 fix agent.