diff --git a/src/infra/outbound/bound-delivery-router.test.ts b/src/infra/outbound/bound-delivery-router.test.ts
index abb2c1715bb..7077d92348e 100644
--- a/src/infra/outbound/bound-delivery-router.test.ts
+++ b/src/infra/outbound/bound-delivery-router.test.ts
@@ -122,6 +122,34 @@ describe("bound delivery router", () => {
       },
       expectedConversationId: "thread-2",
     },
+    {
+      name: "normalizes adapter binding conversations before requester matching",
+      bindings: [
+        {
+          ...createDiscordBinding(TARGET_SESSION_KEY, "thread-1", 1),
+          conversation: {
+            channel: " discord ",
+            accountId: " runtime ",
+            conversationId: " thread-1 ",
+          },
+        },
+        {
+          ...createDiscordBinding(TARGET_SESSION_KEY, "thread-2", 2),
+          conversation: {
+            channel: " DISCORD ",
+            accountId: " Runtime ",
+            conversationId: " thread-2 ",
+          },
+        },
+      ],
+      requesterConversationId: "thread-2",
+      failClosed: true,
+      expected: {
+        mode: "bound",
+        reason: "requester-match",
+      },
+      expectedConversationId: " thread-2 ",
+    },
     {
       name: "falls back for invalid requester conversation values",
       bindings: [createDiscordBinding(TARGET_SESSION_KEY, "thread-1", 1)],
diff --git a/src/infra/outbound/bound-delivery-router.ts b/src/infra/outbound/bound-delivery-router.ts
index 5b837d40dcd..e3b425f7cd8 100644
--- a/src/infra/outbound/bound-delivery-router.ts
+++ b/src/infra/outbound/bound-delivery-router.ts
@@ -32,16 +32,20 @@ function resolveBindingForRequester(
   bindings: SessionBindingRecord[],
 ): SessionBindingRecord | null {
   const matchingChannelAccount = bindings.filter(
-    (entry) =>
-      entry.conversation.channel === requester.channel &&
-      entry.conversation.accountId === requester.accountId,
+    (entry) => {
+      const conversation = normalizeConversationRef(entry.conversation);
+      return (
+        conversation.channel === requester.channel && conversation.accountId === requester.accountId
+      );
+    },
   );
   if (matchingChannelAccount.length === 0) {
     return null;
   }
 
   const exactConversation = matchingChannelAccount.find(
-    (entry) => entry.conversation.conversationId === requester.conversationId,
+    (entry) =>
+      normalizeConversationRef(entry.conversation).conversationId === requester.conversationId,
   );
   if (exactConversation) {
     return exactConversation;