Add tab management, profiles, and pattern-specific delay ranges

src/settings.py

@@ -9,7 +9,9 @@ class Settings(dict):
 
     def save(self):
         try:
-            j = json.dumps(self, indent=4)
+            # Create a copy without lights and tab_order (these belong in profiles, not settings.json)
+            settings_to_save = {k: v for k, v in self.items() if k not in ["lights", "tab_order"]}
+            j = json.dumps(settings_to_save, indent=4)
             with open(self.SETTINGS_FILE, 'w') as file:
                 file.write(j)
             print("Settings saved successfully.")