Add core mode

lib/data/repository/config_options_store.dart

@@ -1,7 +1,9 @@
 // ignore_for_file: avoid_manual_providers_as_generated_provider_dependency
 import 'package:hiddify/core/prefs/prefs.dart';
+import 'package:hiddify/data/data_providers.dart';
 import 'package:hiddify/domain/singbox/singbox.dart';
 import 'package:hiddify/utils/pref_notifier.dart';
+import 'package:hiddify/utils/utils.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 
 part 'config_options_store.g.dart';
@@ -11,6 +13,25 @@ final _default = ConfigOptions.initial;
 final executeConfigAsIs =
     PrefNotifier.provider("execute-config-as-is", _default.executeConfigAsIs);
 
+@Riverpod(keepAlive: true)
+class CoreModeStore extends _$CoreModeStore {
+  late final _pref = Pref(
+    ref.watch(sharedPreferencesProvider),
+    "mode",
+    PlatformUtils.isDesktop ? CoreMode.proxy : CoreMode.tun,
+    mapFrom: CoreMode.values.byName,
+    mapTo: (value) => value.name,
+  );
+
+  @override
+  CoreMode build() => _pref.getValue();
+
+  Future<void> update(CoreMode value) {
+    state = value;
+    return _pref.update(value);
+  }
+}
+
 final logLevelStore = PrefNotifier.provider(
   "log-level",
   _default.logLevel,
@@ -104,7 +125,9 @@ List<Rule> rules(RulesRef ref) => switch (ref.watch(regionNotifierProvider)) {
     };
 
 @riverpod
-ConfigOptions configOptions(ConfigOptionsRef ref) => ConfigOptions(
+ConfigOptions configOptions(ConfigOptionsRef ref) {
+  final mode = ref.watch(coreModeStoreProvider);
+  return ConfigOptions(
     executeConfigAsIs:
         ref.watch(debugModeNotifierProvider) && ref.watch(executeConfigAsIs),
     logLevel: ref.watch(logLevelStore),
@@ -122,7 +145,8 @@ ConfigOptions configOptions(ConfigOptionsRef ref) => ConfigOptions(
     urlTestInterval: ref.watch(urlTestIntervalStore),
     enableClashApi: ref.watch(enableClashApiStore),
     clashApiPort: ref.watch(clashApiPortStore),
-      enableTun: ref.watch(enableTunStore),
-      setSystemProxy: ref.watch(setSystemProxyStore),
+    enableTun: mode == CoreMode.tun || ref.watch(enableTunStore),
+    setSystemProxy: mode == CoreMode.proxy || ref.watch(setSystemProxyStore),
     rules: ref.watch(rulesProvider),
   );
+}

lib/domain/singbox/config_options.dart

@@ -4,7 +4,6 @@ import 'package:freezed_annotation/freezed_annotation.dart';
 import 'package:hiddify/core/prefs/prefs.dart';
 import 'package:hiddify/domain/singbox/box_log.dart';
 import 'package:hiddify/domain/singbox/rules.dart';
-import 'package:hiddify/utils/platform_utils.dart';
 
 part 'config_options.freezed.dart';
 part 'config_options.g.dart';
@@ -34,16 +33,13 @@ class ConfigOptions with _$ConfigOptions {
     @Default(true) bool enableClashApi,
     @Default(6756) int clashApiPort,
     @Default(false) bool enableTun,
-    @Default(true) bool setSystemProxy,
+    @Default(false) bool setSystemProxy,
     @Default(false) bool bypassLan,
     @Default(false) bool enableFakeDns,
     List<Rule>? rules,
   }) = _ConfigOptions;
 
-  static ConfigOptions initial = ConfigOptions(
-    enableTun: !PlatformUtils.isDesktop,
-    setSystemProxy: PlatformUtils.isDesktop,
-  );
+  static ConfigOptions initial = const ConfigOptions();
 
   String format() {
     const encoder = JsonEncoder.withIndent('  ');

lib/domain/singbox/core_mode.dart

@@ -0,0 +1,13 @@
+import 'package:hiddify/core/prefs/locale_prefs.dart';
+
+enum CoreMode {
+  none,
+  proxy,
+  tun;
+
+  String present(TranslationsEn t) => switch (this) {
+        none => t.settings.config.modes.none,
+        proxy => t.settings.config.modes.proxy,
+        tun => t.settings.config.modes.tun,
+      };
+}

lib/domain/singbox/singbox.dart

@@ -1,5 +1,6 @@
 export 'box_log.dart';
 export 'config_options.dart';
+export 'core_mode.dart';
 export 'core_status.dart';
 export 'outbounds.dart';
 export 'proxy_type.dart';