- Fix type annotations in App.tsx (setTabs callback)
- Cast restoreWikilinksInBlocks result in Editor.tsx for BlockNote compatibility
- Fix vi.fn() mock types in useAutoSave.test.ts
- Add E2E test verifying editor loads and renders note content
- Update .claude-done with editor-save-bug summary
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>