dorfteich/apps/api/prisma/migrations
Claude Opus 4.8 6fb6f6fce7
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Add version snapshots: automatic, named, thinning (#41)
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
..
20260704171456_init Add Prisma with PostgreSQL, automatic migrations, and /readyz 2026-07-04 19:16:44 +02:00
20260704224132_auth_models Add user, identity, session, and auth-support data model 2026-07-05 00:42:22 +02:00
20260705090100_ponds Ponds: data model, CRUD API, personal pond on verification (#21) 2026-07-05 11:08:16 +02:00
20260705185146_quotas Quota foundation: overrides, resolution, race-safe consumption (#22) 2026-07-05 20:55:59 +02:00
20260705200714_pages Add page CRUD and Yjs state persistence (#23) 2026-07-05 22:25:41 +02:00
20260708082627_attachments Add file storage service and image upload API (#27) 2026-07-08 10:35:03 +02:00
20260708101011_trash_and_jobs Add page trash: soft delete, restore, and purge job (#31) 2026-07-08 12:48:17 +02:00
20260709060328_collab_open_sessions Add Yjs update-log compaction job (#40) 2026-07-09 08:15:55 +02:00
20260709062007_page_versions Fix compaction test Bytes typing for strict typecheck (#40) 2026-07-09 08:23:55 +02:00
20260709062727_page_version_created_by Add version snapshots: automatic, named, thinning (#41) 2026-07-09 08:37:07 +02:00
migration_lock.toml Add Prisma with PostgreSQL, automatic migrations, and /readyz 2026-07-04 19:16:44 +02:00