diff --git a/docs/interfaces/netkingdom-integration.md b/docs/interfaces/netkingdom-integration.md
index a27438c..23827ed 100644
--- a/docs/interfaces/netkingdom-integration.md
+++ b/docs/interfaces/netkingdom-integration.md
@@ -9,6 +9,10 @@ This document translates the NetKingdom user-engine interface guidance into
 repo-local implementation boundaries. It is intentionally practical: these are
 the ports, adapters, and data contracts the implementation should preserve.
 
+See also the cross-repo assessment in the net-kingdom repo:
+`/home/worsch/net-kingdom/docs/user-engine-netkingdom-integration-assessment.md`
+(for current intent/scope fit, gaps, and recommendations as of 2026-06-03).
+
 ## Required Ports
 
 | Port | Direction | Purpose |