- Auto-save dirty draft before publishing in ContentEditorManager so in-memory
Velxio circuit/code changes are never lost when clicking Publish directly
- Add resolveRestoredContent and baseline tracking to velxio-manager so lesson
view immediately reflects updated server code instead of stale localStorage
- Invalidate in-memory lesson and markdown caches on draft publish and file operations
- Update teacher content page publish button disabled condition to check saving state
