Add Config options import

lib/features/config_option/notifier/config_option_notifier.dart

@@ -5,6 +5,7 @@ import 'package:hiddify/features/config_option/data/config_option_repository.dar
 import 'package:hiddify/features/connection/data/connection_data_providers.dart';
 import 'package:hiddify/features/connection/notifier/connection_notifier.dart';
 import 'package:hiddify/utils/custom_loggers.dart';
+import 'package:json_path/json_path.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 
 part 'config_option_notifier.g.dart';
@@ -36,18 +37,57 @@ class ConfigOptionNotifier extends _$ConfigOptionNotifier with AppLogger {
 
   DateTime? _lastUpdate;
 
-  Future<void> exportJsonToClipboard() async {
-    final map = {
-      for (final option in ConfigOptions.preferences)
-        ref.read(option.notifier).entry.key: ref.read(option.notifier).raw(),
-    };
-    const encoder = JsonEncoder.withIndent('  ');
-    final json = encoder.convert(map);
-    await Clipboard.setData(ClipboardData(text: json));
+  Future<bool> exportJsonToClipboard({bool excludePrivate = true}) async {
+    try {
+      final options = await ref.read(ConfigOptions.singboxConfigOptions.future);
+      Map map = options.toJson();
+      if (excludePrivate) {
+        for (final key in ConfigOptions.privatePreferencesKeys) {
+          final query = key.split('.').map((e) => '["$e"]').join();
+          final res = JsonPath('\$$query').read(map).firstOrNull;
+          if (res != null) {
+            map = res.pointer.remove(map)! as Map;
+          }
+        }
+      }
+
+      const encoder = JsonEncoder.withIndent('  ');
+      final json = encoder.convert(map);
+      await Clipboard.setData(ClipboardData(text: json));
+      return true;
+    } catch (e, st) {
+      loggy.warning("error exporting config options to clipboard", e, st);
+      return false;
+    }
+  }
+
+  Future<bool> importFromClipboard() async {
+    try {
+      final input =
+          await Clipboard.getData("text/plain").then((value) => value?.text);
+      if (input == null) return false;
+      if (jsonDecode(input) case final Map<String, dynamic> map) {
+        for (final option in ConfigOptions.preferences.entries) {
+          final query = option.key.split('.').map((e) => '["$e"]').join();
+          final res = JsonPath('\$$query').read(map).firstOrNull;
+          if (res?.value case final value?) {
+            try {
+              await ref.read(option.value.notifier).updateRaw(value);
+            } catch (e) {
+              loggy.debug("error updating [${option.key}]: $e", e);
+            }
+          }
+        }
+      }
+      return true;
+    } catch (e, st) {
+      loggy.warning("error importing config options to clipboard", e, st);
+      return false;
+    }
   }
 
   Future<void> resetOption() async {
-    for (final option in ConfigOptions.preferences) {
+    for (final option in ConfigOptions.preferences.values) {
       await ref.read(option.notifier).reset();
     }
     ref.invalidateSelf();