Interaction I-08
Optimistic UI:
Show Success First
Show Success First
Pessimistic
User waits for server confirmation
Optimistic
UI updates instantly
Server syncs in background
Rollback only if server fails
LaunchYourVibe I-08
Most requests succeed. Assume success, update the UI immediately, sync in the background. Roll back only on actual failure. The app feels instant even when it isn't.
