Update app.py

app.py

@@ -82,24 +82,20 @@ def _history_to_genai(history, model_name):
 # 5. Генераторы для стрима обычных моделей и "thinking" моделей
 ###############################################################################
 
-async def _respond_stream(model_name, user_message, history):
-    """
-    Стриминговый ответ для обычных моделей:
-    - Кусочек за кусочком (partial_text).
-    """
+async def _respond_stream_enh(model_name, user_message, history):
     if model_name not in MODELS:
         yield "Ошибка: модель не найдена."
         return
 
     model = MODELS[model_name]
-    genai_history = _history_to_genai(history, model_name)
+    genai_history = _history_to_genai_enhanced(history, model_name)
 
     try:
         chat = model.start_chat(history=genai_history)
-        response = chat.send_message(user_message, stream=True)
+        stream = chat.send_message(user_message, stream=True)  # stream=True here
 
         partial_text = ""
-        async for chunk in response:
+        async for chunk in stream:
             partial_text += (chunk.text or "")
             yield partial_text