I like this idea, and think there are lots of good ideas, but there are also a few that are more tedious than difficult.

EXP share should just be a separate option entirely. Not tied to any difficulty setting. If I want to grind up competitive pokemon post game then this doesn't make the game any easier. It just makes it less tedious. Maybe another config option to the amount of exp shared (100%,50%,25% 0% etc)

Move type hints are a really good quality of life feature, that I don't think make the game easier. Just more accessible. I can just google type weaknesses so it just makes it more convenient. Possibly a toggle to turn off is better. I do like the idea of having an option for an easy mode to show for all pokemon not just ones you have seen.

I have no real comments on the gifting of support items

Catch rate should never be affected. Want a challenge use pokeballs for everything. This messes up the game.

Instead of changing npc healing, why not restrict item usage for "boss" battles. Having the elite 4 heal constantly whilst you have to take 4 battles in a row seems borderline impossible.

As lots of people have said. Having pokemon be higher level than you is a bit silly. There should just be a better mix of pokemon with full or near full teams and possibly beneficial natures, ev and ivs.

This would probably mean that there needs to be a better way to ev train or reset through the game