Immutable Variables: Added final keyword to class variables.
Removed Unused Code: Removed super.key from the constructor.
Introduced ListView: Replaced Column with ListView for scrollable content.
Modularity: Created spaceBox() for consistent spacing and _styledButton() for styled buttons.
Immutable Variables: Added final keyword to class variables. Removed Unused Code: Removed super.key from the constructor. Introduced ListView: Replaced Column with ListView for scrollable content. Modularity: Created spaceBox() for consistent spacing and _styledButton() for styled buttons.