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Claude
544d26d9ec
Five changes wrapped together:
1. Move ObservableEventStore + StoreEvent from store/observable/ into
store/projection/. One package owns the projection bus + projection
itself; consumers import only `store.projection.*`.
2. Flatten DeleteRule into the StoreEvent sealed type:
StoreEvent.Insert(event)
StoreEvent.DeleteByFilter(filters)
StoreEvent.DeleteExpired(asOf?)
ObservableEventStore.delete(filter|filters) emits DeleteByFilter;
deleteExpiredEvents() emits DeleteExpired with the pinned cutoff.
3. Use event.address() for AddressableEvent and event.isExpirationBefore(t)
for NIP-40 checks; drop the local addressOf(kind, pubKey, dTag) and
isExpiredAt helpers. Plain replaceables (kind 0/3, 10000-19999) still
build Address(kind, pubKey, "") manually since they don't implement
AddressableEvent. NIP-09 delete-by-address now looks up the projection's
byAddress index with the deletion's Address directly (it's already an
Address, no conversion needed).
4. Per-filter limit. Each filter retains its own capped TreeSet<Slot>
(sorted created_at DESC, id ASC). A slot is "live" iff at least one
filter retains it. The projection's items is the deduped union, so
when filter A and filter B match disjoint events the union can
exceed any single filter's limit. New tests confirm both behaviours:
per-filter eviction + union-larger-than-cap.
5. Drop the redundant + 1 in expiration checks; use isExpirationBefore
directly with TimeUtils.now() for arrival-time guards. The sweep
path subtracts 1 because the store's SQL uses strict `<` while the
helper is `<=`.
17/17 projection tests + all other store tests pass.
https://claude.ai/code/session_01Jny85MTu1ynKgFBgysfWu5