From 732d1e5d55df73735211e0e907d094493cce959d Mon Sep 17 00:00:00 2001
From: Vincent Koc <vincentkoc@ieee.org>
Date: Fri, 6 Mar 2026 00:39:28 -0500
Subject: [PATCH] Gateway chat: mark explicit external deliver routes in
 context

---
 src/gateway/server-methods/chat.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gateway/server-methods/chat.ts b/src/gateway/server-methods/chat.ts
index 1c750ec0db6..18c00f11118 100644
--- a/src/gateway/server-methods/chat.ts
+++ b/src/gateway/server-methods/chat.ts
@@ -935,6 +935,7 @@ export const chatHandlers: GatewayRequestHandlers = {
         Surface: INTERNAL_MESSAGE_CHANNEL,
         OriginatingChannel: originatingChannel,
         OriginatingTo: originatingTo,
+        ExplicitDeliverRoute: hasDeliverableRoute,
         AccountId: accountId,
         MessageThreadId: messageThreadId,
         ChatType: "direct",