fixed injection watcher

backend/app/api/routes/chat.py

@@ -48,8 +48,15 @@ async def send_message(
     if not service.get_session(session_id):
         raise HTTPException(status_code=404, detail="Session not found")
 
+    # Сохраняем user до стрима: иначе при обрыве SSE сообщение не попадает в БД.
+    service.save_user_message(session_id, payload.content)
+
     async def event_stream():
-        async for chunk in service.stream_response(session_id, payload.content):
+        async for chunk in service.stream_response(
+            session_id,
+            payload.content,
+            user_message_saved=True,
+        ):
             yield chunk
 
     return StreamingResponse(