poprawki i zmiany ux

backend/app/routes/dashboard.py

@@ -25,11 +25,11 @@ def _resolve_kiosk_mode(requested_mode: str, require_write_access: bool = False)
 
     if normalized_mode == "public":
         if require_write_access and auth_service.enabled and session.get("auth_role") != "admin":
-            raise PermissionError("Brak uprawnien do edycji publicznego kiosku")
+            raise PermissionError("You do not have permission to edit the public kiosk")
         return "public", "public"
 
     if normalized_mode != "private":
-        raise ValueError("Mode musi byc jednym z: public, private")
+        raise ValueError("Mode must be one of: public, private")
 
     if not auth_service.enabled:
         return "private", "private"