Let's see what tonight's cycle looks like. You are doing SLGS so if I'm correct, you need to hold the dose for a week.
It takes about 6 cycles for the depot to fill. Tonight is technically cycle 5 of 0.5 units. But 6 cycles since you started insulin.
If you can, try to give non-gravy foods to Smokey, that'd be great! You may need to experiment with different types of foods or toppers to get Smokey to eat. Maybe even mix low carb food with the gravy food.