Files
amethyst/quartz
Claude 53cae2ed09 feat(quartz): FsEventStore NIP-40 expiration (step 5)
Adds idx/expires_at/<padded_exp>-<id> hardlinks for events with an
expiration tag, an injectable clock so tests can drive time
deterministically, and the deleteExpiredEvents() sweep.

- FsLayout: idxExpiresAt + expirationEntry path helper.
- FsIndexer.pathsFor: emits the expiration entry whenever
  event.expiration() > 0, so insert / delete maintain it alongside
  the kind / author / owner / tag indexes.
- FsEventStore: pre-insert guard rejects events with exp <= now
  (SQLite parity: trigger uses inclusive <=). Constructor takes a
  clock function defaulting to TimeUtils.now(). deleteExpiredEvents
  walks idx/expires_at, parses filenames, and deletes anything with
  exp < now (strict <, matching SQLite's sweep query).

Tests: 8 new in FsExpirationTest — future expiration accepted +
indexed, already-expired-on-insert rejected, exp==now rejected on
insert but kept by sweep, non-positive exp ignored, sweep removes
canonical + index entries, plain events untouched. 59 fs tests green.
2026-04-24 22:26:17 +00:00
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