- fix(designer): remove duplicate event nodes in Blockly graph view #103
- fix(designer): disable save and run buttons in Blockly graph view
- fix(designer): correct execution graph saving for nested flowchart nodes in diagram and JSON views
- fix(setup): keep original SQLite and LiteDB databases during setup
- fix(setup): copy all files during setup without skipping by date comparison
- refactor(engine): clean up execution graph logic and service classes
Full Changelog: v8.9...v9.0