few fixes

app/ui/main_window.py

@@ -1,4 +1,4 @@
-from PyQt6.QtWidgets import QApplication, QMainWindow, QLabel
+from PyQt6.QtWidgets import QApplication, QMainWindow
 from PyQt6.QtGui import QResizeEvent, QCloseEvent
 from PyQt6.QtCore import QSize, QEvent
 from app.core.main_manager import MainManager, NotificationType

data/lang/en.json

@@ -76,7 +76,7 @@
   "choose_export_destination": "Choose export destination folder",
   "loading": "Loading...",
   "checking_updates": "Checking for updates...",
-  "initializing": "Initializing...",
+  "initializing": "Initializing interface...",
   "loading_complete": "Loading complete",
   "no_dicoms_to_export": "No DICOM files available for export. Please import DICOM files first."
 }

data/lang/es.json

@@ -76,7 +76,7 @@
   "choose_export_destination": "Elige la carpeta de destino para la exportación",
   "loading": "Cargando...",
   "checking_updates": "Verificando actualizaciones...",
-  "initializing": "Inicializando...",
+  "initializing": "Inicializando la interfaz...",
   "loading_complete": "Carga completa",
   "no_dicoms_to_export": "No hay archivos DICOM disponibles para exportar. Por favor, importe archivos DICOM primero."
 }