Votes do not reset automatically each epoch.
Carryover
If you do nothing:
your votes continue into the next epoch
How to change votes
Go to Voting
Reallocate votes (whole-pass units only)
Save before the 1-hour lock starts
When changes are blocked
If you’re inside the lock window, you’ll see “Voting is locked” and can’t change allocations.
Related: Lock Window, Vote Resets