If added, this will be my run. Took about 2.5h on my attempt. And took many more attempts to practice for this.

Republic Sovereignty, Elite AI. Can't buy Units AND Bonuses. Placing additional fleets are allowed (to spend accumulated credits). Vehicles are allowed, but it has to be the vehicles assigned to your team (Polis Masa is the only exception). No mods. Pure vanilla. Start must show this conquest highlighted. Time starts once the initial loading screen is done. Each turn and battle must be shown. Ending must show the galaxy is under your control. Time ends when continue is pressed.

Neat idea but wrong game - here’s where you wanna go: https://www.speedrun.com/swbf2/forum

SWBF2 is a pretty easy game, honestly this challenge doesn't look hard, just boring.