From bbf0ae4d7022877ab02f68f8e6eb3351c975faef Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Wed, 15 Apr 2026 10:59:16 +0200
Subject: [PATCH] Update scene document validation for NPC entities

---
 src/document/scene-document-validation.ts | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/document/scene-document-validation.ts b/src/document/scene-document-validation.ts
index 38a4e0f3..ed55c4e9 100644
--- a/src/document/scene-document-validation.ts
+++ b/src/document/scene-document-validation.ts
@@ -3348,13 +3348,14 @@ function validateInteractionLink(
 
   if (
     sourceEntity.kind !== "triggerVolume" &&
-    sourceEntity.kind !== "interactable"
+    sourceEntity.kind !== "interactable" &&
+    sourceEntity.kind !== "npc"
   ) {
     diagnostics.push(
       createDiagnostic(
         "error",
         "invalid-interaction-source-kind",
-        "Interaction links may only source from Trigger Volume or Interactable entities in the current slice.",
+        "Interaction links may only source from Trigger Volume, Interactable, or NPC entities in the current slice.",
         `${path}.sourceEntityId`
       )
     );
@@ -3382,6 +3383,17 @@ function validateInteractionLink(
         )
       );
     }
+  } else if (sourceEntity.kind === "npc") {
+    if (link.trigger !== "click") {
+      diagnostics.push(
+        createDiagnostic(
+          "error",
+          "unsupported-interaction-trigger",
+          "NPC links may only use the click trigger.",
+          `${path}.trigger`
+        )
+      );
+    }
   }
 
   switch (link.action.type) {