feat(ui): improve device session management, update data directory paths, and add session clearing functionality.

src/pygui/__main__.py

@@ -1,5 +1,6 @@
 import sys
 from pathlib import Path
+import logging
 
 from PySide6.QtQml import QQmlApplicationEngine
 from PySide6.QtQuickControls2 import QQuickStyle
@@ -15,6 +16,10 @@ from pygui.backend.visualization.wafer_map_item import WaferMapItem
 
 # ===== Application Entry Point =====
 def main() -> int:
+    logging.basicConfig(
+        level=logging.INFO,
+        format="%(asctime)s [%(levelname)s] %(name)s: %(message)s"
+    )
     # ===== UI Style Setup =====
     # Use a non-native controls style so our custom QML button backgrounds are supported.
     QQuickStyle.setStyle("Basic")