As long that you didn’t review the item in WaniKani purely… it should be OK.
Phase 1: New lesson.
Remember well before relying on SRS, and use SRS to test if you have remembered well.
I would extend to say that reviewing before Guru is OK. Reviewing after Guru is a waste of time.
Phase 2: Leech (beyond Guru…) Leech Squashing
Expose to things in Nature, IRL and outside WaniKani. Remembering does not come from purely review, but from Usage.