Fix: Initialize status bar widgets in MainWindow constructor

src/teletext/ui.py

@@ -111,8 +111,25 @@ class MainWindow(QMainWindow):
         
         self.layout.addLayout(center_layout, 1)
         
+        # Status Bar
+        self.status_bar = QStatusBar()
+        self.setStatusBar(self.status_bar)
+        
+        self.progress_bar = QProgressBar()
+        self.progress_bar.setFixedWidth(200)
+        self.progress_bar.setVisible(False)
+        self.status_bar.addPermanentWidget(self.progress_bar)
+        
+        self.status_label = QLabel("Ready")
+        self.status_bar.addWidget(self.status_label)
+
         # Menus
         self.create_menus()
+
+    def update_progress(self, current, total):
+        self.progress_bar.setMaximum(total)
+        self.progress_bar.setValue(current)
+        QApplication.processEvents() # Force UI update
         
     def create_menus(self):
         menu_bar = self.menuBar()