fetchLatestListEvent fetched admin lists via fetchListIncrementally without an
explicit `since`, so it relied on the persisted per-relay lastSeen. Admin lists
are replaceable events with a single current version whose created_at does not
advance, so once lastSeen == that created_at, every later load queries
since=lastSeen+1 and the relay returns nothing — perpetually hiding the current
list and dropping admin lists whenever the local cache is absent.
Pass since: 0 to force a full fetch of the (tiny) current event each time. Other
list callers anchor an explicit since to their own cached state; admin lists
have no comparable per-list timestamp, so always re-fetching current is both
correct and cheap.
Adds tests/nostr/relayBatchFetcherReplaceable.test.mjs documenting the
replaceable-event since-gate at the fetcher boundary: relying on persisted
lastSeen hides the current event; since: 0 returns it.
Co-Authored-By: Claude Opus 4.8 <[email protected]>
