Draft: Issue #3490274: (AI + ME) Add configurable save behavior for referenced...
Issue #3490274: (AI + ME) Add configurable save behavior for referenced entities in EntityReferenceItem.
- Add 'save_referenced_entities' field setting with options: 'disabled', 'new_only' (default), 'changed_only', 'always'
- Modify EntityReferenceItem::preSave() to conditionally save referenced entities based on setting
- Add configuration schema definition with validation constraints
- Maintains backward compatibility with 'new_only' as default behavior
- Resolves transaction consistency issues for Media Widget and similar use cases
Closes #3490274