hephaestus/docs
Erich Blume 455f172a54
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heph-core: body text-CRDT via yrs (sync 8d)
Replace last-writer-wins for node bodies with the yrs text CRDT, so
concurrent edits to different regions of a body merge instead of one
clobbering the other (tech-spec §5, §12).

- New crate::crdt module wraps yrs: a device authors under a stable
  client_id derived from its sync origin; a whole-buffer write is diffed
  (common prefix/suffix, char-boundary safe) into the doc and the yrs
  delta is captured; merge is commutative/idempotent.
- nodes::create/update/journal maintain the body_crdt BLOB and put the
  yrs delta in the node.create/node.set op payload (body_crdt field).
  Recurrence's local checklist reset goes through the same path to keep
  body and body_crdt consistent (still records no op, as before).
- apply::node_upsert merges the body delta through the CRDT regardless of
  HLC order and drops body-conflict recording; titles + task scalars stay
  LWW with the conflict queue.
- convergence test now asserts disjoint concurrent body edits both survive
  and enqueue no conflict.

97 tests green; clippy -D warnings + fmt + prek clean.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-01 09:06:17 -07:00
..
changelog.d heph-core: body text-CRDT via yrs (sync 8d) 2026-06-01 09:06:17 -07:00
explanation docs: Phase 1 progress tracker (design roadmap + tech-spec §14) 2026-06-01 05:23:43 -07:00
how-to Initial commit 2026-05-31 06:13:36 -07:00
reference heph-core: body text-CRDT via yrs (sync 8d) 2026-06-01 09:06:17 -07:00
tutorials Set up hephaestus from template and add design + tech spec 2026-05-31 09:37:28 -07:00
index.md Initial commit 2026-05-31 06:13:36 -07:00
quartz.config.ts Set up hephaestus from template and add design + tech spec 2026-05-31 09:37:28 -07:00
quartz.layout.ts Initial commit 2026-05-31 06:13:36 -07:00