Another option (my preferred one!) is just having PCs start at 3rd level.
I agree that it feels odd not to have the psionics at 1st level for some concepts, but that's a familiar wrinkle of 5th Edition's design spreading the core toolkit over the first 3 levels.
My usual two PHB examples are...
I started writing this post to ask where you saw the synergy, but looking into the details to make sure I phrased my interpretation right, I came around - I think you're right.
I didn't think the Wild Talent features don't combine particularly well - Psi-Boosted Ability overlaps quite heavily...