Use AppHelper and add try-catch block

main.py

@@ -24,8 +24,11 @@ from Foundation import NSObject, NSTimer, NSDate
 
 load_dotenv()
 
+from PyObjCTools import AppHelper
+
 class ItemSenseApp(NSObject):
     def applicationDidFinishLaunching_(self, notification):
+        try:
             print("Application did finish launching...")
             self.window = NSWindow.alloc().initWithContentRect_styleMask_backing_defer_(
                 NSMakeRect(0, 0, 800, 700),
@@ -46,14 +49,12 @@ class ItemSenseApp(NSObject):
             # Image View for Camera Feed
             self.image_view = NSImageView.alloc().init()
             self.image_view.setImageScaling_(0) # NSImageScaleProportionallyDown
-        # Add constraint for height logic later if needed, but stackview handles it well enough for basic
             self.stack_view.addView_inGravity_(self.image_view, 1) # Top gravity
 
             # Result View (Scrollable Text)
             self.scroll_view = NSScrollView.alloc().init()
             self.scroll_view.setHasVerticalScroller_(True)
             self.scroll_view.setBorderType_(2) # NSBezelBorder
-        self.scroll_view.setHeightAdjustLimit_(1.0)
             
             # Text View
             content_size = self.scroll_view.contentSize()
@@ -78,11 +79,19 @@ class ItemSenseApp(NSObject):
             self.stack_view.addView_inGravity_(self.capture_button, 3) # Bottom gravity
 
             self.window.makeKeyAndOrderFront_(None)
-        self.window.orderFrontRegardless() # Force it front
+            self.window.orderFrontRegardless()
             print("Window ordered front.")
             
+            # State
+            self.is_capturing = True
+            self.current_frame = None
+
             # Initialize Camera with a delay to allow UI to render first
             self.performSelector_withObject_afterDelay_("initCamera:", None, 0.5)
+        except Exception as e:
+            import traceback
+            traceback.print_exc()
+            print(f"Error in applicationDidFinishLaunching: {e}")
 
     def initCamera_(self, sender):
         print("Initializing camera...")
@@ -205,4 +214,4 @@ if __name__ == "__main__":
     
     # Allow time for policy to take effect? Usually acceptable immediately.
     app.activateIgnoringOtherApps_(True)
-    app.run()
+    AppHelper.runEventLoop()