The node's composer asks the vault's own for its modules' secrets sealed to its key, and keeps a value first had while its generation stands; two agent tests folded to hold the count (issue 1126, ADR 0550 §5)

cmd/mesh-host/nodeagent.go

@@ -795,5 +795,9 @@ func selfComposer(ctx context.Context, session *link.Session, node string, say f
 			return h[len(h)-1].Value, nil
 		},
 		Mesh: frombus.Mesh{InternalSuffix: overlay.Suffix()},
-		Say:  say})
+		Say:  say,
+		// Its modules' own secrets, sealed by the vault to this machine's key (ADR 0550 §5).
+		Own: func(ctx context.Context) (json.RawMessage, error) {
+			return session.AskVault(ctx, "own", map[string]any{})
+		}})
 }