diff --git a/mobile/lib/features/channels/me/me_chat_assistant.dart b/mobile/lib/features/channels/me/me_chat_assistant.dart
index 53683a36abe..c21c361065f 100644
--- a/mobile/lib/features/channels/me/me_chat_assistant.dart
+++ b/mobile/lib/features/channels/me/me_chat_assistant.dart
@@ -106,25 +106,25 @@ useMeChatAssistant(
     }
   }
   // The owner's inventory name outranks the agent's self-published profile.
-  final names = watchMeAssistantNames(
-    ref,
-    agents,
-    saved: [selected, pending?.agent],
-  );
+  // Only Solo reads these names; other chats must not watch every profile.
+  final names = enabled
+      ? watchMeAssistantNames(ref, agents, saved: [selected, pending?.agent])
+      : null;
   // A known agent outside the inventory, such as an archived one, is labeled
   // against the live agents so it never reads as a live namesake.
   bool named(String pubkey) =>
-      agents.any((agent) => agent.pubkey == pubkey) ||
-      ref.read(userCacheProvider)[pubkey]?.displayName?.trim().isNotEmpty ==
-          true;
+      names != null &&
+      (agents.any((agent) => agent.pubkey == pubkey) ||
+          ref.read(userCacheProvider)[pubkey]?.displayName?.trim().isNotEmpty ==
+              true);
   final name = selected != null && named(selected)
-      ? names.labelFor(selected)
+      ? names!.labelFor(selected)
       : profile?.displayName;
   final avatarInitial = name?.trim().isNotEmpty == true
       ? name!.trim()[0].toUpperCase()
       : profile?.initial ?? '?';
   String agentName(String pubkey) {
-    if (named(pubkey)) return names.labelFor(pubkey);
+    if (named(pubkey)) return names!.labelFor(pubkey);
     return pubkey.length > 12
         ? '${pubkey.substring(0, 8)}…${pubkey.substring(pubkey.length - 4)}'
         : pubkey;
diff --git a/mobile/test/features/channels/channel_detail_page_test.dart b/mobile/test/features/channels/channel_detail_page_test.dart
index 7757af969f0..a9aef130cab 100644
--- a/mobile/test/features/channels/channel_detail_page_test.dart
+++ b/mobile/test/features/channels/channel_detail_page_test.dart
@@ -5033,8 +5033,10 @@ void main() {
         _testChannel,
         otherChannel,
       ]);
+      final profiles = _FakeUserCacheNotifier({});
       await tester.pumpWidget(
         _buildTestable(
+          userCacheNotifier: profiles,
           messages: [
             for (var i = 0; i < 5; i++)
               _textMsg(
@@ -5062,6 +5064,22 @@ void main() {
       await tester.pumpAndSettle();
 
       expect(rebuilt.whereType<MessageContent>(), isEmpty);
+
+      // A profile learned in another surface must not rebuild this ordinary
+      // channel: the Solo naming hook is disabled here.
+      rebuilt.clear();
+      profiles.replace(
+        UserProfile(pubkey: 'f' * 64, displayName: 'Unrelated profile'),
+      );
+      await tester.pumpAndSettle();
+      expect(
+        rebuilt.where(
+          (widget) =>
+              widget.runtimeType.toString() == '_ResolvedChannelDetailPage',
+        ),
+        isEmpty,
+        reason: 'an unrelated profile must not rebuild the open channel page',
+      );
     });
 
     testWidgets('clears the composer inset when membership is revoked', (