Welcome to the forum. FYI, these are essentially “Feature Requests”. TR prefers that we use a single forum topic to cover a single Feature Request or idea. This allows for connected discussion on that topic without distraction and confusion of juggling multiple ideas.
Generally speaking, many Feature Requests exist, and TR likes using those existing ones for continued discussion. You can search and find them yourself if you want to see if an idea is already submitted & discussed.
Here is one somewhat related to your first idea:
Here are two results related to Cycling Dynamics from power meter pedals:
The third one is possibly an extension of the pending Workout Levels Version 2 that is in early beta testing. I will leave that one to TR to review.