Events applied out of order
Downstream state is inconsistent — events are being applied out of order (an 'update' processed before the 'create', or a stale value overwriting a newer one). How do you respond?
What a strong answer looks like
Stop the bleeding first (mitigate), then form hypotheses from real signals. Separate root cause from symptom, communicate status as you go, and close with what prevents a repeat.
0:00 of about 20 min
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.
Run or narrate your approach, then ask the coach.