halkyon/halkyon_learn_server/migrations/migration_registry.txt
Tizian 「ティツィアーン」 f3b56f2c0c
feat: notes in studysets, synced and merged as cards are, with tags
Server: three synced tables, only additions (migration
20261002191122122-notes): `note` (its studyset, a fractional position),
`note_revision` (append-only, as a card's: parents, author, report,
the payload {schemaVersion, title, body}) and `note_tag` (one row per
assignment, never updated, as `card_tag`). Each indexes `spaceId`, and
everything goes with its space, studyset, note or tag. A migration of
synced tables locks app builds from before it out of syncing (ADR 0002,
rule 3): cheap now, before the first release.

App, `feature/note`:
- `NoteContent` is a title and rich text, merged apart (ADR 0003): a
  title changed on one device and the body on another both survive, a
  body changed on two is a conflict.
- `NoteRepository` creates a note at the end of its studyset, saves an
  edit on the revisions it started from (`saveEdit`, as the card
  composer now does), says when a note was last edited (its newest
  head's UUID v7), counts notes per studyset, and deletes a note's
  revisions blanked first (ADR 0002, rule 2).
- Notes share the person's tags: `setTagsOfNote`, and folding tags of
  one name or undoing a tag's deletion covers notes too.
- The delayed deletion with its Undo moves to `core/async`
  (`DelayedDeletions`): `StudysetDeletions` builds on it and now takes
  a studyset's notes too; `NoteDeletions` deletes a single note.

Tests: content, merge, payload, repository, deletions, tags, the device
migration guard, and sync tests against the server (four).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-02 21:53:56 +02:00

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### AUTOMATICALLY GENERATED DO NOT MODIFY
###
### This file is generated by Serverpod when creating a migration, do not modify it
### manually. If a collision is detected in this file when doing a code merge, resolve
### the conflict by removing and recreating the conflicting migration.
20260916165410927
20260930094729362-studysets
20260930122235111-cards
20260930145136285-reviews
20261001064926911-tree-tags-assets
20261002035419149-file-allowance
20261002191122122-notes