The routing record is 0066, not 0056

0056 is 'the authority is the control plane, not a database'. A citation
pointing at the wrong decision is worse than none: it reads as corroboration.

Claude-Session: https://claude.ai/code/session_01LrgweAeERJYBg88c5cKDzF

internal/inventory/public_domain_test.go

@@ -4,7 +4,7 @@ import (
 	"testing"
 )
 
-// novox/hq ADR 0056 — a node's public domain is a node-level fact, held here beside its other
+// novox/hq ADR 0066 — a node's public domain is a node-level fact, held here beside its other
 // node-level configuration rather than in a module's settings. These check it round-trips, that a
 // node with none reports empty rather than failing, and that clearing it works — the setting the
 // ADR names as the whole of moving a catalogue between a lab and production.