startAutoSync method
Starts automatic periodic synchronization for the specified user across all managers.
Uses the auto-sync interval from the configuration. Automatically stops any existing auto-sync for the same user across all managers.
Implementation
void startAutoSync(String userId) {
logger.info('Starting auto-sync for user $userId across all managers...');
for (final manager in _managers.allManagers) {
manager.startAutoSync(userId);
}
}