Lots of food allergies here, but not specifically pineapple.
I have a non-heat sensitive peach allergy that cross-reacts to everything in the Roseaceae family (peach, strawberry, raspberry, apple, blackberry, almond, plum, rose, etc.) so I understand your pineapple concern.
In general, the food allergy you list might not make it back to the kitchen. Their computer system is...inadequate...to say the least. Pineapple falls into the "other" category and can (and IS in my experience) be easily overlooked. No amount of calling or e-mailing will reduce that risk.
I ate at the Poly for breakfast on the last day of my trip this past December after a very stressful trip of dealing with food allergies. I was at my wit's end so I went and talked to a manager the night before and personally handed her my list of food allergies with two copies just in case. I wouldn't recommend going that far for most food allergies, but fruit allergies can be a bit problematic at the Poly to say the least and I had had some terrible experiences including outright lying by staff at other restaurants that I wanted to avoid for the Poly meal.
I don't know what items contain pineapple or pineapple in the sauce. I can tell you that I didn't react to any of the fruit I ate, which means that they were good about cross-contamination when cutting the fruit that I personally ate. You obviously won't have the same people preparing your food. You will get your very own fruit plate though sans-pineapple and possibly orange juice instead of their infamous POG juice or whatever they call it now.
Is the pineapple allergy a new issue for you? Is it life-threatening vs. uncomfortable? You obviously know your reaction better than anyone, but sometimes taking two Benadryl and a Mucinex D allows me to take a bit of a risk with small amounts of my non-life-threatening food allergies. They can't really guarantee that a little bit of pineapple juice didn't accidentally find it's way onto something you are going to eat. Fruit juices are tricky that way in a fruit-laden environment!