We used to zig zag back and forth through the parks to ride our favorites, but when we go next month, I'm feeling like I won't be able to do that.
I like DLRExpert's approach and will modify accordingly.
We only hit Fantasyland rides as filler, so we would skip that and ride as needed. (I know this is sacrilege, but I don't care if I ride Peter Pan or Snow White

)
Our loose plan (for our first day only, which will be a Saturday

):
Rope drop!
Plan A:
Space
Star Tours
Buzz
Plan B:
Indy
or Thunder Mountain
Then switch A/B accordingly. Hopefully have a BG for ROTR...
Fillers:
Pooh, teacups, carousel
Walk around Galaxy's Edge
Snacks
Ride Buzz and Star Tours again or hit mainstreet vehicles
1:00
Park hop to DCA
See Avengers Campus shows
Ride anything under 30 minutes
3:00-ish
Return to hotel - eat, nap, swim
6:30-7:00-ish return to parks
Hit anything 30 minutes or less (including some Fantasyland stuff)
Ride MFSR after 8:00 pm (maybe during the fireworks)
Drag mama home
We will have PHPs and will alternate opening parks, so on DCA days, we will head straight for RSR on one day and Guardians or Toy Story the others. I feel like we don't need a hard and fast plan for DCA. It's not a full-day park to us, so we'll get it all done.
I think we will hit rope drop for the first few days of our trip, and after that, we'll mix it up. sleep in a day or two; do some shopping outside of Disney; and do other personal things we need to do on this trip.