Must-fix:
- CHANGELOG: add [Unreleased]/Added entry for temporary notes (#201).
- temporary-note-cleanup: re-check temporary_expires_at at deletion time so a
concurrent "Make permanent" (sets it NULL) between the batch SELECT and the
per-row removePage wins the race and the note is not trashed. Add unit tests
for the make-permanent and already-trashed race windows.
Non-blocking review items:
- temporary-note-cleanup: cap the sweep batch (LIMIT 500) so a large backlog is
not loaded into memory; remainder drains on the next hourly run.
- client: extract duplicated post-toggle cache sync into
syncTemporaryExpiresInCache() shared by the header menu and the banner.
- Remove the tautological migration spec that mocked the whole Kysely builder.
- Tests: cover create() frozen temporaryExpiresAt (workspace override + NULL
default fallback + non-temporary skips lookup) and restorePage disarming the
timer (temporaryExpiresAt: null).
Deferred (forward-looking, non-blocking): extract
PageService.computeTemporaryExpiresAt() to dedupe the deadline formula and drop
the @InjectKysely from PageTemplateController; replace migration unit test with
a real Postgres up/down integration test.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>