Alternating option for Unilateral exercises

src/hooks/useWorkoutForm.ts

@@ -17,7 +17,7 @@ export const useWorkoutForm = ({ userId, onSetAdded, onUpdateSet }: UseWorkoutFo
     const [bwPercentage, setBwPercentage] = useState<string>('100');
 
     // Unilateral State
-    const [unilateralSide, setUnilateralSide] = useState<'LEFT' | 'RIGHT'>('LEFT');
+    const [unilateralSide, setUnilateralSide] = useState<'LEFT' | 'RIGHT' | 'ALTERNATELY'>('ALTERNATELY');
 
     // Editing State
     const [editingSetId, setEditingSetId] = useState<string | null>(null);