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Author SHA1 Message Date
67fb01fe2b Notify watchers about page changes and comments, with an in-app center (#94)
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New notifications table (payload denormalized for join-free rendering;
mailed_at already prepares the #95 digests). Generation fans page events
out to page and pond watchers, excluding the actors, and re-checks page
read permission per watcher at delivery time — a revoked watcher gets
nothing. Sources: named version snapshots (api), new comments (api), and
the collab server's automatic session-close snapshots — announced over a
new pg NOTIFY channel (the reverse of the established api→collab bus)
consumed by a dedicated LISTEN client in the api, since the collab server
has no permission resolution of its own. API: paginated list (unread
first via nulls-first ordering), mark read, mark all read. UI: bell with
unread badge in the top bar (30 s polling, no push in v1) and a dropdown
whose entries navigate and mark themselves read; comment notifications
deep-link with ?comments=1, which now opens the comments panel on load.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EwZ4jR4KFAPvpjWevfUGX1
2026-07-11 23:20:25 +02:00
6fb6f6fce7 Add version snapshots: automatic, named, thinning (#41)
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Version history is a core kickoff decision (ADR 0013). Snapshots are full,
self-contained encoded Yjs states, so restore never depends on the update
log and compaction (#40) cannot lose history.

(The page_versions / page_pending_contributors tables and base schema
landed a commit early, bundled into 3583a04; this commit completes #41.)

- schema: page_versions gains created_by (editor of manual/pre-restore
  versions; null for automatic snapshots). shared: PageVersionView,
  CreateVersionInput, PageVersionTrigger.
- collab: PostgresVersionStore tracks contributors per open doc (onChange),
  flushes them to the shared page_pending_contributors accumulator on store,
  creates an automatic snapshot on last-participant disconnect (only if
  something changed — no duplicate on a quick reconnect) and every 30
  active-editing minutes. Contributors and snapshot are consumed atomically.
- api: POST /pages/:id/versions creates a named version (write permission,
  label + creator, snapshot reconstructed from persisted state, consumes the
  same contributor accumulator). Daily version-thinning scheduler job keeps
  all versions for 90 days, then the newest auto snapshot per day; manual and
  pre-restore versions are never thinned. pre_restore trigger reserved for #42.

Tests: collab (one auto version on session end with the full two-author
contributor set, none when unchanged, no duplicate on reconnect, interval
snapshot); api (named version stores label+creator, contributor set consumed,
non-owner refused, thinning time-travel keeps newest-per-day beyond window).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PGdhRiwU1WRL4XxJfZYipY
2026-07-09 08:37:07 +02:00