fix: make Core config helpers linux-friendly

Author: ensan-hcl

Core/Sources/Core/Configs/BoolConfigItem.swift

@@ -7,7 +7,7 @@ protocol BoolConfigItem: ConfigItem<Bool> {
 extension BoolConfigItem {
     public var value: Bool {
         get {
-            if let value = UserDefaults.standard.value(forKey: Self.key) {
+            if let value = UserDefaults.standard.object(forKey: Self.key) {
                 value as? Bool ?? Self.default
             } else {
                 Self.default

Core/Sources/Core/Configs/CustomCodableConfigItem.swift

@@ -209,7 +209,7 @@ extension Config {
         public static var `default`: Value {
             // Migration: If user had OpenAI API enabled, preserve that setting
             let legacyKey = Config.Deprecated.EnableOpenAiApiKey.key
-            if let legacyValue = UserDefaults.standard.value(forKey: legacyKey) as? Bool,
+            if let legacyValue = UserDefaults.standard.object(forKey: legacyKey) as? Bool,
                legacyValue {
                 return .openAI
             }

Core/Sources/Core/Configs/CustomInputTableStore.swift

@@ -1,4 +1,7 @@
 import Foundation
+#if canImport(UniformTypeIdentifiers)
+import UniformTypeIdentifiers
+#endif
 import KanaKanjiConverterModule
 
 public enum CustomInputTableStore {
@@ -15,7 +18,11 @@ public enum CustomInputTableStore {
     }
 
     static var fileURL: URL {
-        directoryURL.appendingPathComponent(fileName, conformingTo: .text)
+        #if canImport(UniformTypeIdentifiers) && !os(Linux)
+        return directoryURL.appendingPathComponent(fileName, conformingTo: .text)
+        #else
+        return directoryURL.appendingPathComponent(fileName)
+        #endif
     }
 
     @discardableResult

Core/Sources/Core/Configs/IntConfigItem.swift

@@ -7,7 +7,7 @@ protocol IntConfigItem: ConfigItem<Int> {
 extension IntConfigItem {
     public var value: Int {
         get {
-            if let value = UserDefaults.standard.value(forKey: Self.key) {
+            if let value = UserDefaults.standard.object(forKey: Self.key) {
                 value as? Int ?? Self.default
             } else {
                 Self.default