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fix: bidirectional sync conflict and labeled element update rendering

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- Update lastSyncedElementsRef on every WS-applied scene change so
  auto-sync does not revert MCP writes back to stale browser state
- Fix labeled container updates (rect/ellipse/diamond/arrow) to use
  convertToExcalidrawElements with bound-text ID transplant, preventing
  text clipping and empty labels after update
- Fix standalone text element updates to write into text/originalText
  so Excalidraw renders the new value immediately
- Fix convertTextToLabel to handle arrows and empty string text values

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
newblacc
2026-03-30 00:23:41 +02:00
co-authored by Claude Sonnet 4.6
parent d838b67e31
commit d993355a54
3 changed files with 84 additions and 16 deletions
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CHANGELOG.md
+8
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@@ -53,3 +53,11 @@ Format: [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
- `getAllFilesObject()` helper extracted; `sendFilesAdded()` and `GET /api/files` share it
- `sendLegacyInitialWsMessages` renamed to `sendAuthlessInitialMessages`
- `.project-hooks/pre-commit` added to run vitest on every commit
## [Unreleased] - 2026-03-30
### Fixed
- Bidirectional sync conflict: WS-applied updates no longer reverted by browser auto-sync (lastSyncedElementsRef now updated on element_updated, element_deleted, elements_batch_created)
- Labeled container updates (rectangle, ellipse, diamond, arrow) now use convertToExcalidrawElements with ID transplant for correct text layout instead of in-place text patch that caused clipping
- Standalone text element updates now write label.text into text/originalText fields so Excalidraw renders the new value
- convertTextToLabel now maps text→label for arrows and empty strings (previously skipped falsy text)