feat: Implement change detection and conditional enabling of save/cancel buttons for profile and notification settings.

lib/features/profile/presentation/widgets/notifications_tab.dart

@@ -26,6 +26,17 @@ class _NotificationsTabState extends ConsumerState<NotificationsTab> {
   Map<String, Map<String, bool>> _originalPrefs = {};
   String _originalFrequency = 'instant';
 
+  bool get _hasNotificationChanges {
+    if (_digestFrequency != _originalFrequency) return true;
+    for (final key in _notificationPrefs.keys) {
+      final current = _notificationPrefs[key];
+      final original = _originalPrefs[key];
+      if (current == null || original == null) return true;
+      if (current['email'] != original['email'] || current['inApp'] != original['inApp']) return true;
+    }
+    return false;
+  }
+
   @override
   void initState() {
     super.initState();
@@ -154,6 +165,7 @@ class _NotificationsTabState extends ConsumerState<NotificationsTab> {
         ProfileActionButtons(
           onSave: _saveNotificationSettings,
           onCancel: () {
+            if (!_hasNotificationChanges) return;
             setState(() {
               for (final key in _originalPrefs.keys) {
                 _notificationPrefs[key] = Map<String, bool>.from(_originalPrefs[key]!);
@@ -162,6 +174,7 @@ class _NotificationsTabState extends ConsumerState<NotificationsTab> {
             });
           },
           isSaving: _isSavingNotifications,
+          hasChanges: _hasNotificationChanges,
         ),
       ],
     );
@@ -180,6 +193,12 @@ class _NotificationsTabState extends ConsumerState<NotificationsTab> {
         },
         'digestFrequency': _digestFrequency,
       });
+      // Update saved snapshot so Cancel won't revert after successful save
+      _originalPrefs = {
+        for (final e in _notificationPrefs.entries)
+          e.key: Map<String, bool>.from(e.value),
+      };
+      _originalFrequency = _digestFrequency;
       _showSnackBar('Notification settings saved');
     } catch (e) {
       _showSnackBar('Failed to save: $e', isError: true);

lib/features/profile/presentation/widgets/profile_settings_tab.dart

@@ -28,6 +28,7 @@ class _ProfileSettingsTabState extends ConsumerState<ProfileSettingsTab> {
   bool _controllersInitialized = false;
   bool _isUploadingAvatar = false;
   File? _localAvatarFile;
+  Map<String, String> _savedValues = {};
 
   @override
   void initState() {
@@ -81,6 +82,21 @@ class _ProfileSettingsTabState extends ConsumerState<ProfileSettingsTab> {
       final parts = [city, stateName, country].where((s) => s.isNotEmpty);
       _locationController.text = parts.join(', ');
     }
+
+    _savedValues = {
+      'fullName': _fullNameController.text,
+      'title': _titleController.text,
+      'email': _emailController.text,
+      'phone': _phoneController.text,
+      'location': _locationController.text,
+    };
+  }
+
+  bool get _hasChanges {
+    return _fullNameController.text != (_savedValues['fullName'] ?? '') ||
+        _titleController.text != (_savedValues['title'] ?? '') ||
+        _phoneController.text != (_savedValues['phone'] ?? '') ||
+        _locationController.text != (_savedValues['location'] ?? '');
   }
 
   @override
@@ -262,6 +278,7 @@ class _ProfileSettingsTabState extends ConsumerState<ProfileSettingsTab> {
           onSave: _saveProfileSettings,
           onCancel: _resetForm,
           isSaving: profileState.isSaving,
+          hasChanges: _hasChanges,
         ),
       ],
     );
@@ -338,16 +355,16 @@ class _ProfileSettingsTabState extends ConsumerState<ProfileSettingsTab> {
   }
 
   void _resetForm() {
-    _controllersInitialized = false;
-    _localAvatarFile = null;
-    final profileState = ref.read(profileProvider);
-    if (profileState.profile.isNotEmpty) {
-      _initControllersFromProfile(profileState);
-    }
+    if (!_hasChanges) return;
+    // Revert to last saved values
+    _fullNameController.text = _savedValues['fullName'] ?? '';
+    _titleController.text = _savedValues['title'] ?? '';
+    _phoneController.text = _savedValues['phone'] ?? '';
+    _locationController.text = _savedValues['location'] ?? '';
     setState(() {});
   }
 
-  void _saveProfileSettings() {
+  Future<void> _saveProfileSettings() async {
     final profileState = ref.read(profileProvider);
     final isAgent = profileState.isAgent;
 
@@ -366,7 +383,6 @@ class _ProfileSettingsTabState extends ConsumerState<ProfileSettingsTab> {
       final location = _locationController.text.trim();
       if (location.isNotEmpty) data['serviceAreas'] = [location];
     } else {
-      // Note: headline is not a field on UserProfile — don't send it
       final locationParts = _locationController.text
           .split(',')
           .map((s) => s.trim())
@@ -377,7 +393,20 @@ class _ProfileSettingsTabState extends ConsumerState<ProfileSettingsTab> {
       if (locationParts.length > 2) data['country'] = locationParts[2];
     }
 
-    ref.read(profileProvider.notifier).updateProfile(data);
+    await ref.read(profileProvider.notifier).updateProfile(data);
+
+    // Update saved values so Cancel won't revert after successful save
+    if (mounted) {
+      setState(() {
+        _savedValues = {
+          'fullName': _fullNameController.text,
+          'title': _titleController.text,
+          'email': _emailController.text,
+          'phone': _phoneController.text,
+          'location': _locationController.text,
+        };
+      });
+    }
   }
 
   void _showSnackBar(String message, {bool isError = false}) {

lib/features/profile/presentation/widgets/profile_shared_widgets.dart

@@ -87,6 +87,7 @@ class ProfileActionButtons extends StatelessWidget {
   final VoidCallback onSave;
   final VoidCallback onCancel;
   final bool isSaving;
+  final bool hasChanges;
   final String saveLabel;
 
   const ProfileActionButtons({
@@ -94,6 +95,7 @@ class ProfileActionButtons extends StatelessWidget {
     required this.onSave,
     required this.onCancel,
     this.isSaving = false,
+    this.hasChanges = true,
     this.saveLabel = 'Save Changes',
   });
 
@@ -114,7 +116,9 @@ class ProfileActionButtons extends StatelessWidget {
           Expanded(
             flex: 2,
             child: GestureDetector(
-              onTap: onCancel,
+              onTap: hasChanges ? onCancel : null,
+              child: Opacity(
+                opacity: hasChanges ? 1.0 : 0.5,
                 child: Container(
                   height: 31,
                   decoration: BoxDecoration(
@@ -137,6 +141,7 @@ class ProfileActionButtons extends StatelessWidget {
                 ),
               ),
             ),
+          ),
           const SizedBox(width: 10),
           Expanded(
             flex: 3,