Status: IN
`LWWRegister.merge` uses `(timestamp, writer_id)` tuple comparison, making conflict resolution a total order with no ambiguity since replica IDs are unique
Source: entries/2026/05/29/conflict-free-replicated-data-types-crdts.md
if (other._timestamp, other._writer_id) > (self._timestamp, self._writer_id):
self._value = other._value # timestamp then replica_id