1) fine logical and appropiate a firm rule we have here is people are more important than things.
2) that falls into permissive don't ask "more than once" (diffrent from repeating for clarity) wash hands sit down and make it a non issue playful parenting can help for sure
3) First scream look at her dirrectly in the eye and say No ma'am you do NOT scream. reflect feeling and remove from situation if needed.
4) rules on indoor voices and make sure she is getting her special time