- Marked tasks in `TODO.md` as completed for moving backup-related files to the `data-management` directory and correcting imports across the codebase.
- Updated imports in `backup-manager.ts`, API routes, and various components to reflect the new structure.
- Removed obsolete `backup.ts` and `backup-scheduler.ts` files to streamline the codebase.
- Added new tasks in `TODO.md` for future cleaning and organization of service imports.
- Introduced a new structure for services in `src/services/` to improve organization by domain, including core, analytics, data management, integrations, and task management.
- Moved relevant files to their new locations and updated all internal and external imports accordingly.
- Updated `TODO.md` to reflect the new service organization and outlined phases for further refactoring.
