fix(models): synchronize canonical runtime selection

webui/src/lib/types.ts

@@ -1271,6 +1271,7 @@ export type InboundEvent =
       event: "turn_model_updated";
       chat_id: string;
       model_name: string;
+      model_preset?: string | null;
     }
   | ({
       event: "turn_end";

webui/src/tests/nanobot-client.test.ts

@@ -1636,12 +1636,14 @@ describe("NanobotClient", () => {
       event: "turn_model_updated",
       chat_id: "chat-a",
       model_name: "deepseek/deepseek-chat",
+      model_preset: "Deep Research",
     });
 
     expect(chatHandler).toHaveBeenCalledWith({
       event: "turn_model_updated",
       chat_id: "chat-a",
       model_name: "deepseek/deepseek-chat",
+      model_preset: "Deep Research",
     });
   });