ublock list management initial

apps/weblibre/lib/features/onboarding/presentation/pages/ublock_opt_in.dart

@@ -20,11 +20,17 @@
 import 'dart:async';
 
 import 'package:flutter/material.dart';
+import 'package:flutter_hooks/flutter_hooks.dart';
 import 'package:flutter_markdown/flutter_markdown.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:weblibre/core/logger.dart';
 import 'package:weblibre/features/geckoview/features/browser/domain/services/browser_addon.dart';
 import 'package:weblibre/features/onboarding/presentation/pages/abstract/i_form_page.dart';
+import 'package:weblibre/features/user/data/models/engine_settings.dart';
+import 'package:weblibre/features/user/data/models/ublock_filter_list_settings.dart';
+import 'package:weblibre/features/user/data/providers/ublock_assets.dart';
+import 'package:weblibre/features/user/domain/repositories/engine_settings.dart';
 import 'package:weblibre/presentation/widgets/browser_page.dart';
 
 class UBlockOptInPage extends HookConsumerWidget implements IFormPage {
@@ -36,6 +42,7 @@ class UBlockOptInPage extends HookConsumerWidget implements IFormPage {
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     final theme = Theme.of(context);
+    final installUBlock = useState(true);
 
     return BrowserPage(
       child: BrowserPageContent(
@@ -66,6 +73,7 @@ There are many other lists available to block even more.
               FormField(
                 initialValue: true,
                 onSaved: (newValue) {
+                  installUBlock.value = newValue ?? false;
                   if (newValue == true) {
                     unawaited(
                       ref
@@ -80,9 +88,53 @@ There are many other lists available to block even more.
                   title: const Text('Install uBlock Origin Extension'),
                   onChanged: (value) {
                     field.didChange(value);
+                    installUBlock.value = value;
                   },
                 ),
               ),
+              FormField(
+                initialValue: true,
+                onSaved: (newValue) {
+                  if (newValue != true || !installUBlock.value) return;
+
+                  Future<void> applyOptimizedDefaults() async {
+                    try {
+                      final registry = await ref.read(
+                        ublockAssetsRegistryProvider.future,
+                      );
+                      final optimized =
+                          UBlockFilterListSettings.optimizedDefaults(registry);
+                      await ref
+                          .read(engineSettingsRepositoryProvider.notifier)
+                          .updateSettings(
+                            (current) => current.copyWith
+                                .ublockFilterListSettings(optimized),
+                          );
+                    } catch (e, s) {
+                      logger.w(
+                        'Failed applying optimized uBlock defaults during onboarding',
+                        error: e,
+                        stackTrace: s,
+                      );
+                    }
+                  }
+
+                  unawaited(applyOptimizedDefaults());
+                },
+                builder: (field) => SwitchListTile(
+                  contentPadding: EdgeInsets.zero,
+                  value: field.value ?? false,
+                  title: const Text('Apply optimized defaults'),
+                  subtitle: const Text(
+                    'Enable WebLibre hardening filter lists.',
+                  ),
+                  onChanged: installUBlock.value
+                      ? (value) {
+                          field.didChange(value);
+                        }
+                      : null,
+                ),
+              ),
             ],
           ),
         ),