That's much better info for us to speculate.
Interesting about the smaller yellow perch and bluegill, but not any larger yellow perch and bluegill.
I would replicate that structure effort by 10-20 fold to create places where you can really impact the system with feed. Feed the heck of of the 1 and 2 year old panfish gathered at that structure over multiple locations of the lake. Obviously, these locations will gather the predator fish too and you'll get to observe more of the population.
Regarding the LMB, just thinking here...maybe a 'remove any LMB below 15", and/or below 90-95% WR.' A LMB that's had a few years of minor growth has lost it's true growth potential relative to it's life span, but some of the bass will have been more aggressive and fed themselves better. Keep any size of those, and get rid of the rest.
No Smallmouth?
I'd remove all pike, as you'll never get all of them, and it's not a desired fish for you. You'll still end up with some trophy pike.
