I'm thinking that China doesn't trust the CCA concept, they don't think drones are mature enough to be useful in the sort of roles US has been trying to put them into in the last few years.
So this fighter is to act as a manned CCA to the J-36. Even if it doesn't have any more surprises than was shown, it's still going to be the best medium to short range a2a duelist out of all known fighter jets. Just by virtue of being essentially a F-22 with all aspect stealth and 2024s electronics.
That means when it interfaces with the J-36, it can achieve incredible results.
Well, manned CCA is kind of an oxymoron. The whole point of CCA is to have unmanned attritionable forward element to take all the risk for manned fighter. I do think there is a true CCA in the work not shown yet