Hello, first and foremost at bare minimum you will at least need, assuming you will go on medium, also Kai Ni is always recommended, if not then level 70+
8-10 DDs->You have a strong lineup there no comment, but maybe some OASW DDs like Satsuki Kai Ni and Asashio Kai Ni D is always good, if they're available to farm, farm for Libeccio and Asashimo to complete ASW squad
2-4 CLs->A little bit more of a push but good enough nonetheless, if possible consider Kinu for BP, her inner daihatsu will be perfect for expeditions and she's the other OASW queen next to Isuzu, also because she's close but not a priority
2-3 CLTs-> If possible level Ooi a bit more, other than that, good job
0-2 CAVs->Good lineup there, might want to consider Suzuya Kai Ni or any of the Tones for future use
2-4 CVLs->If possible find Hi you, her plane slots are good albeit she's a slow ship, Kai Ni Ryuujou and Junyou for future use as well
2-4 CVs->If possible find Hiryuu, Zuikaku and Shoukaku, their Kai Nis are exceptional, otherwise train Akagi and Kaga to level 50 ish for the event, there's not much time
BBs->Good lineup but consider finding Nagato and Mutsu and training Fusous to Kai Ni in the future
SS-> Last event is where our orel cruising slaves play a good role, I recommend you to Kai some SS like Goya because of her luck, you never know when they'll be needed again
Aux->AVs to level 50-60 other wise good job
Equipment
Guns/Secondary guns->Looks good skip there
Torpedoes->Looks good but consider improving quint to +6
Bare minimum is 4-8 of each aircraft except for recon aircraft
Fighters-> As bare minimum should be fine
Torpedo bombers->One more Ryuusei/Ryuusei Kai
Dive bombers->One more Suisei/Model 12A
Recon aircraft->One saiun is enough
Machine gun/ammo-> One more AP shell and two more type 3 shell
Seaplanes->Looks great, skip there
Radars->Looks good skip
Anti sub->At least 6 type 3 depth charge and 12 type 3 sonars but atm it's still good
Misc equipmemt->Looks good, but consider farming for more daihatsu, you can get some Akitsumarus when you have a failed Yamato attempt
May RNG be with you o/
Edit:Resources look tight too, do sparkled expedition 6 if possible, always run 2/5/6 for the maximum efficiency of gathering resources