diff --git a/frontend/AGENTS.md b/frontend/AGENTS.md
index 7d7be4d..92dc5cf 100644
--- a/frontend/AGENTS.md
+++ b/frontend/AGENTS.md
@@ -148,7 +148,7 @@ await api.getHealth();
 // Radio
 await api.getRadioConfig();
 await api.updateRadioConfig({ name: 'MyRadio' });
-await api.sendAdvertisement(true);
+await api.sendAdvertisement();
 
 // Contacts/Channels
 await api.getContacts();
diff --git a/frontend/src/components/MessageList.tsx b/frontend/src/components/MessageList.tsx
index d5640a2..7d8b75c 100644
--- a/frontend/src/components/MessageList.tsx
+++ b/frontend/src/components/MessageList.tsx
@@ -239,6 +239,14 @@ export function MessageList({
     }
   }, []);
 
+  // Sort messages by received_at ascending (oldest first)
+  // Note: Deduplication is handled by useConversationMessages.addMessageIfNew()
+  // and the database UNIQUE constraint on (type, conversation_key, text, sender_timestamp)
+  const sortedMessages = useMemo(
+    () => [...messages].sort((a, b) => a.received_at - b.received_at),
+    [messages]
+  );
+
   // Look up contact by public key
   const getContact = (conversationKey: string | null): Contact | null => {
     if (!conversationKey) return null;
@@ -301,14 +309,6 @@ export function MessageList({
     );
   }
 
-  // Sort messages by received_at ascending (oldest first)
-  // Note: Deduplication is handled by useConversationMessages.addMessageIfNew()
-  // and the database UNIQUE constraint on (type, conversation_key, text, sender_timestamp)
-  const sortedMessages = useMemo(
-    () => [...messages].sort((a, b) => a.received_at - b.received_at),
-    [messages]
-  );
-
   // Helper to get a unique sender key for grouping messages
   const getSenderKey = (msg: Message, sender: string | null): string => {
     if (msg.outgoing) return '__outgoing__';