new: add use xray core option

lib/features/config_option/data/config_option_repository.dart

@@ -31,7 +31,10 @@ abstract class ConfigOptions {
     mapFrom: Region.values.byName,
     mapTo: (value) => value.name,
   );
-
+  static final useXrayCoreWhenPossible = PreferencesNotifier.create<bool, bool>(
+    "use-xray-core-when-possible",
+    false,
+  );
   static final blockAds = PreferencesNotifier.create<bool, bool>(
     "block-ads",
     false,
@@ -329,6 +332,7 @@ abstract class ConfigOptions {
   static final Map<String, StateNotifierProvider<PreferencesNotifier, dynamic>> preferences = {
     "region": region,
     "block-ads": blockAds,
+    "use-xray-core-when-possible": useXrayCoreWhenPossible,
     "service-mode": serviceMode,
     "log-level": logLevel,
     "resolve-destination": resolveDestination,
@@ -432,6 +436,7 @@ abstract class ConfigOptions {
       return SingboxConfigOption(
         region: ref.watch(region).name,
         blockAds: ref.watch(blockAds),
+        useXrayCoreWhenPossible: ref.watch(useXrayCoreWhenPossible),
         executeConfigAsIs: false,
         logLevel: ref.watch(logLevel),
         resolveDestination: ref.watch(resolveDestination),

lib/features/config_option/overview/config_options_page.dart

@@ -138,6 +138,7 @@ class ConfigOptionsPage extends HookConsumerWidget {
                     title: t.config.logLevel,
                     presentChoice: (value) => value.name.toUpperCase(),
                   ),
+
                   const SettingsDivider(),
                   SettingsSection(t.config.section.route),
                   ChoicePreferenceWidget(
@@ -358,6 +359,12 @@ class ConfigOptionsPage extends HookConsumerWidget {
                     inputToValue: int.tryParse,
                   ),
                   const Gap(24),
+                  SwitchListTile(
+                    title: Text(experimental(t.config.useXrayCoreWhenPossible.Label)),
+                    subtitle: Text(t.config.useXrayCoreWhenPossible.Description),
+                    value: ref.watch(ConfigOptions.useXrayCoreWhenPossible),
+                    onChanged: ref.watch(ConfigOptions.useXrayCoreWhenPossible.notifier).update,
+                  ),
                 ],
               ),
             ),