I sounds more reasonable to me Xi is getting ready to start a military operation on Taiwan and recover the island for it to be completely under the control of the CCP.
No. If you know anything about Taiwan, you'd know that there are few suitable landing sites on the island, all of them easily defended by steep mountains. Invasion would be impossible for a clown force like the PLA.
Also, I don't see Trump being friendly to China. His shtick is peace through strength.