fix: update privacy state after save and enforce 10-digit phone number validation in profile settings

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

@@ -154,6 +154,13 @@ class _PrivacyTabState extends ConsumerState<PrivacyTab> {
           'activity_status': _activityStatus,
         },
       });
+      // Update the snapshot so a later Cancel doesn't revert the just-saved values
+      if (mounted) {
+        setState(() {
+          _origProfileVisibility = _profileVisibility;
+          _origActivityStatus = _activityStatus;
+        });
+      }
       _showSnackBar('Privacy settings saved');
     } catch (e) {
       _showSnackBar('Failed to save: $e', isError: true);

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

@@ -2,6 +2,7 @@ import 'dart:io';
 
 import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:real_estate_mobile/core/constants/app_colors.dart';
@@ -262,10 +263,14 @@ class _ProfileSettingsTabState extends ConsumerState<ProfileSettingsTab> {
             textCapitalization: TextCapitalization.none),
         const SizedBox(height: 24),
         ProfileFormField(
-            label: 'Phone Number',
+          label: 'Phone Number',
-            controller: _phoneController,
+          controller: _phoneController,
-            keyboardType: TextInputType.phone,
+          keyboardType: TextInputType.phone,
-            textCapitalization: TextCapitalization.none),
+          textCapitalization: TextCapitalization.none,
+          // Digits only, max 10 (US format) — matches admin panel rule
+          inputFormatters: [FilteringTextInputFormatter.digitsOnly],
+          maxLength: 10,
+        ),
         const SizedBox(height: 30),
         ProfileActionButtons(
           onSave: _saveProfileSettings,
@@ -357,6 +362,13 @@ class _ProfileSettingsTabState extends ConsumerState<ProfileSettingsTab> {
   }
 
   Future<void> _saveProfileSettings() async {
+    // Validate phone: must be empty (optional) OR exactly 10 digits
+    final phone = _phoneController.text.trim();
+    if (phone.isNotEmpty && phone.length != 10) {
+      _showSnackBar('Phone number must be exactly 10 digits', isError: true);
+      throw Exception('Invalid phone number');
+    }
+
     final nameParts = _fullNameController.text.trim().split(RegExp(r'\s+'));
     final firstName = nameParts.first;
     final lastName =
@@ -365,7 +377,7 @@ class _ProfileSettingsTabState extends ConsumerState<ProfileSettingsTab> {
     final data = <String, dynamic>{
       'firstName': firstName,
       'lastName': lastName,
-      'phone': _phoneController.text.trim(),
+      'phone': phone,
     };
 
     await ref.read(profileProvider.notifier).updateProfile(data);