Implement data sync and cleanup

lib/screens/home/home_screen.dart

@@ -620,6 +620,25 @@ class _SettingsTab extends ConsumerWidget {
                     MaterialPageRoute(
                         builder: (context) => const ExportDataScreen()));
               }),
+              _buildSettingsTile(
+                context,
+                Icons.sync,
+                'Sync Data',
+                onTap: () async {
+                  ScaffoldMessenger.of(context).showSnackBar(
+                    const SnackBar(content: Text('Syncing data...')),
+                  );
+                  await ref.read(cycleEntriesProvider.notifier).syncData();
+                  if (context.mounted) {
+                    ScaffoldMessenger.of(context).showSnackBar(
+                      const SnackBar(
+                        content: Text('Sync complete'),
+                        backgroundColor: Colors.green,
+                      ),
+                    );
+                  }
+                },
+              ),
             ]),
             const SizedBox(height: 16),
             _buildSettingsGroup(context, 'Account', [

lib/screens/husband/husband_settings_screen.dart

@@ -390,6 +390,27 @@ class HusbandSettingsScreen extends ConsumerWidget {
               ),
               child: Column(
                 children: [
+                  ListTile(
+                    leading: const Icon(Icons.sync, color: Colors.blue),
+                    title: Text('Sync Data',
+                        style: GoogleFonts.outfit(
+                            fontWeight: FontWeight.w500, color: Colors.blue)),
+                    onTap: () async {
+                      ScaffoldMessenger.of(context).showSnackBar(
+                        const SnackBar(content: Text('Syncing data...')),
+                      );
+                      await ref.read(cycleEntriesProvider.notifier).syncData();
+                      if (context.mounted) {
+                        ScaffoldMessenger.of(context).showSnackBar(
+                          const SnackBar(
+                            content: Text('Sync complete'),
+                            backgroundColor: Colors.green,
+                          ),
+                        );
+                      }
+                    },
+                  ),
+                  const Divider(height: 1),
                   ListTile(
                     leading: const Icon(Icons.cloud_download_outlined,
                         color: Colors.blue),

lib/screens/onboarding/onboarding_screen.dart

@@ -141,7 +141,7 @@ class _OnboardingScreenState extends ConsumerState<OnboardingScreen> {
       lastPeriodStartDate: _lastPeriodStart,
       isIrregularCycle: _isIrregularCycle,
       hasCompletedOnboarding: true,
-      useExampleData: _useExampleData,
+      // useExampleData: Removed
       isPadTrackingEnabled: _isPadTrackingEnabled,
       createdAt: DateTime.now(),
       updatedAt: DateTime.now(),
@@ -149,15 +149,17 @@ class _OnboardingScreenState extends ConsumerState<OnboardingScreen> {
 
     await ref.read(userProfileProvider.notifier).updateProfile(userProfile);
 
-    // Generate example data if requested
+    // Generate example data if requested - REMOVED
+    /*
     if (_useExampleData) {
       await ref
           .read(cycleEntriesProvider.notifier)
           .generateExampleData(userProfile.id);
     }
+    */
 
     // Trigger partner connection notification if applicable
-    if (!_skipPartnerConnection && !_useExampleData) {
+    if (!_skipPartnerConnection) {
       await NotificationService().showPartnerUpdateNotification(
         title: 'Connection Successful!',
         body: 'You are now connected with your partner. Tap to start sharing.',