Add the Ralph loop delivery standard (docs/ralph-loop.md + §9)

STANDING-AGREEMENT.md

@@ -100,3 +100,11 @@ These apply to Zeph and to Timmy equally. They are the price of being trusted wi
 
 Changes to this file go through a pull request to it. Alexander's decisions bind; Timmy's decisions bind within
 the boundaries above; beyond them, ask, and asking goes through this repo.
+
+## 9. The Ralph loop — delivery standard
+
+Every deliverable ends with a `CHECK: <shell command>` that exits 0 when the work is correct. The runner
+(`ralph-loop.sh`, spec in `docs/ralph-loop.md`) runs that CHECK and enforces the loop: green ships; red feeds
+the failure back and the wizard fixes + re-emits, max 3 iterations, then escalation to Timmy. A missing
+`CHECK:` counts as red. A `CHECK:` that is a tautology (`true`, `echo ok`, `exit 0`) is a fault, not a
+verification. No deliverable is done on a claim — it is done when its CHECK exits 0.