fix(models): synchronize canonical runtime selection

nanobot/channels/websocket/runtime.py

@@ -1407,6 +1407,7 @@ class WebSocketChannel(BaseChannel):
                 await self.send_turn_model_updated(
                     msg.chat_id,
                     model_name=event.model,
+                    model_preset=event.model_preset,
                 )
             return
         if isinstance(event, GoalStateSyncEvent):
@@ -1774,6 +1775,7 @@ class WebSocketChannel(BaseChannel):
         chat_id: str,
         *,
         model_name: Any,
+        model_preset: Any = None,
     ) -> None:
         """Notify one chat's subscribers which model is handling its current request."""
         conns = list(self._subs.get(chat_id, ()))
@@ -1788,6 +1790,8 @@ class WebSocketChannel(BaseChannel):
             "chat_id": chat_id,
             "model_name": model_name.strip(),
         }
+        if isinstance(model_preset, str) and model_preset.strip():
+            body["model_preset"] = model_preset.strip()
         raw = json.dumps(body, ensure_ascii=False)
         for connection in conns:
             await self._safe_send_to(connection, raw, label=" turn_model_updated ")

nanobot/channels/websocket/tests/test_websocket_channel.py

@@ -1642,7 +1642,10 @@ async def test_send_scopes_turn_model_updates_to_the_subscribed_chat() -> None:
             channel="websocket",
             chat_id="chat-1",
             content="",
-            event=TurnModelUpdatedEvent(model="deepseek/deepseek-chat"),
+            event=TurnModelUpdatedEvent(
+                model="deepseek/deepseek-chat",
+                model_preset="Deep Research",
+            ),
         )
     )
 
@@ -1651,6 +1654,7 @@ async def test_send_scopes_turn_model_updates_to_the_subscribed_chat() -> None:
         "event": "turn_model_updated",
         "chat_id": "chat-1",
         "model_name": "deepseek/deepseek-chat",
+        "model_preset": "Deep Research",
     }
     chat_two.send.assert_not_awaited()