fix qthread destroy on executable.

src/ui/main_window.py

@@ -194,6 +194,7 @@ class MainWindow(QMainWindow):
     def start_queue(self):
         user_id = self.config.get_discord_user()
         self.queue_thread = QueueThread(user_id)
+        self.queue_thread = QueueThread(user_id, parent=self)  # ← parent=self
         self.queue_thread.update.connect(self.handle_update)
         self.queue_thread.start()
 
@@ -226,13 +227,13 @@ class MainWindow(QMainWindow):
         pass
 
 class QueueThread(QThread):
-    update = Signal(str)  # Reçoit les callbacks de QueueManager
+    update = Signal(str)
 
-    def __init__(self, user_id: str):
-        super().__init__()
+    def __init__(self, user_id: str, parent=None):  # ← parent=None
+        super().__init__(parent)  # ← passé à QThread
         self.manager = QueueManager(
             user_id=user_id,
-            on_update=self.update.emit  # Le callback envoie un Signal Qt
+            on_update=self.update.emit
         )
 
     def run(self):