I would do more immersion like others suggested. That’s what it sounds like you were going for anyway.
WK is the one thing I wouldn’t increase because of this reason.
I stopped WK for a few months and powered through 1200 reviews over 3 days during time off from work: Finally hit that wall
The thing is, that increased workload comes back around again over the next few months as the items progress so you need to stick to a pace that you can keep up when you get back to work.
This is probably the best advice here. 