多轮审查和修复

Assets/Scripts/Localization/ILocalizationService.cs

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+using System;
+
+namespace BaseGames.Localization
+{
+    /// <summary>
+    /// 本地化服务接口。通过 ServiceLocator 注册，供 UI 和游戏系统获取本地化文本。
+    /// </summary>
+    public interface ILocalizationService
+    {
+        /// <summary>当前激活的语言。</summary>
+        Language CurrentLanguage { get; }
+
+        /// <summary>
+        /// 获取本地化字符串。查找顺序：当前语言 → 回退语言（English）→ 直接返回 key。
+        /// </summary>
+        string Get(string key, string table = "UI");
+
+        /// <summary>切换游戏语言并通知所有订阅者刷新文本。</summary>
+        void SetLanguage(Language language);
+
+        /// <summary>语言切换时触发。</summary>
+        event Action<Language> OnLanguageChanged;
+    }
+}

Assets/Scripts/Localization/ILocalizationService.cs.meta

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Assets/Scripts/Localization/Language.cs

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+namespace BaseGames.Localization
+{
+    /// <summary>
+    /// 游戏支持的语言列表。
+    /// 添加新语言时同步在 Resources/Localization/ 下创建对应子目录和 JSON 表文件。
+    /// </summary>
+    public enum Language
+    {
+        ChineseSimplified,
+        English,
+        Japanese,
+        Korean,
+    }
+}

Assets/Scripts/Localization/Language.cs.meta

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Assets/Scripts/Localization/LanguageEventChannelSO.cs

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+using BaseGames.Core.Events;
+
+namespace BaseGames.Localization
+{
+    /// <summary>
+    /// 语言切换事件频道。
+    /// 用法：LocalizationManager 切换语言后广播，UI 组件订阅并刷新文本。
+    /// 创建资产路径：Assets/Data/Events/EVT_LanguageChanged.asset
+    /// </summary>
+    [UnityEngine.CreateAssetMenu(menuName = "Events/LanguageChanged")]
+    public class LanguageEventChannelSO : BaseEventChannelSO<Language> { }
+}

Assets/Scripts/Localization/LanguageEventChannelSO.cs.meta

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Assets/Scripts/Localization/LocalizationManager.cs

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+// Assets/Scripts/Localization/LocalizationManager.cs
+// 本地化管理器（运行时 JSON 文件驱动）。
+//
+// 数据格式（放在 Resources/Localization/{Language}/{TableName}.json）：
+// {
+//   "entries": [
+//     { "key": "ui_start",    "value": "开始游戏" },
+//     { "key": "ui_settings", "value": "设置" }
+//   ]
+// }
+//
+// 用法（静态 Facade，保持调用兼容）：
+//   LocalizationManager.Get("ui_start")           → "开始游戏"
+//   LocalizationManager.Get("dlg_hero", "Dialogue") → Dialogue 表中的对应文本
+//
+// 服务调用（通过 ServiceLocator）：
+//   ServiceLocator.GetOrDefault<ILocalizationService>()?.SetLanguage(Language.English)
+
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+using BaseGames.Core;
+using BaseGames.Core.Save;
+
+namespace BaseGames.Localization
+{
+    /// <summary>
+    /// 本地化管理器（MonoBehaviour，挂在 Persistent 场景）。
+    /// 实现 ILocalizationService + ISaveable，通过 ServiceLocator 注册。
+    /// 语言偏好持久化到 SaveData.Settings.Language，不使用 PlayerPrefs。
+    /// 保留静态 Get() Facade，现有调用方无需修改。
+    /// </summary>
+    public class LocalizationManager : MonoBehaviour, ILocalizationService, ISaveable
+    {
+        // 默认语言：回退链：当前语言 → 英语 → 直接返回 key
+        private Language _currentLanguage = Language.ChineseSimplified;
+        private readonly Language _fallbackLanguage = Language.English;
+
+        // 双层缓存：languageKey("ChineseSimplified/UI") → (key → value)
+        private readonly Dictionary<string, Dictionary<string, string>> _cache = new();
+
+        // ── 静态事件代理（向后兼容静态订阅方式）─────────────────────────────────
+        /// <summary>语言切换时触发（静态代理，可通过 LocalizationManager.OnLanguageChanged += 订阅）。</summary>
+        public static event Action<Language> OnLanguageChanged;
+
+        // ILocalizationService 显式实现：委托给静态事件
+        event Action<Language> ILocalizationService.OnLanguageChanged
+        {
+            add    { OnLanguageChanged += value; }
+            remove { OnLanguageChanged -= value; }
+        }
+
+        // ── 生命周期 ──────────────────────────────────────────────────────────
+        private void Awake()
+        {
+            if (ServiceLocator.GetOrDefault<ILocalizationService>() != null) { Destroy(gameObject); return; }
+            ServiceLocator.Register<ILocalizationService>(this);
+        }
+
+        private void OnEnable()
+        {
+            ServiceLocator.GetOrDefault<ISaveableRegistry>()?.Register(this);
+        }
+
+        private void OnDisable()
+        {
+            ServiceLocator.GetOrDefault<ISaveableRegistry>()?.Unregister(this);
+        }
+
+        private void OnDestroy()
+        {
+            ServiceLocator.Unregister<ILocalizationService>(this);
+        }
+
+        // ── ILocalizationService ──────────────────────────────────────────────
+        public Language CurrentLanguage => _currentLanguage;
+
+        /// <summary>切换游戏语言并通知所有订阅者刷新文本。</summary>
+        public void SetLanguage(Language language)
+        {
+            if (_currentLanguage == language) return;
+            _currentLanguage = language;
+            OnLanguageChanged?.Invoke(language);
+        }
+
+        /// <summary>
+        /// 获取本地化字符串（实例方法）。
+        /// 查找顺序：当前语言 → 回退语言（English）→ 直接返回 key。
+        /// </summary>
+        public string Get(string key, string table = "UI")
+        {
+            if (string.IsNullOrEmpty(key)) return string.Empty;
+
+            // 1. 尝试当前语言
+            if (TryGetFromTable(_currentLanguage, table, key, out string text))
+                return text;
+
+            // 2. 回退到 English
+            if (_currentLanguage != _fallbackLanguage &&
+                TryGetFromTable(_fallbackLanguage, table, key, out text))
+                return text;
+
+            // 3. 最终回退：原始 key
+            return key;
+        }
+
+        // ── ISaveable ─────────────────────────────────────────────────────────
+        public void OnSave(SaveData data)
+        {
+            if (data?.Settings == null) return;
+            data.Settings.Language = _currentLanguage.ToString();
+        }
+
+        public void OnLoad(SaveData data)
+        {
+            if (data?.Settings == null || string.IsNullOrEmpty(data.Settings.Language)) return;
+            if (Enum.TryParse<Language>(data.Settings.Language, out var lang))
+                SetLanguage(lang);
+        }
+
+        // ── 静态 Facade（保持现有调用方不变）────────────────────────────────────
+        /// <summary>
+        /// 静态快捷获取本地化字符串。委托给 ILocalizationService 实例；服务未注册时直接返回 key。
+        /// </summary>
+        public static string Get(string key, string table = "UI")
+            => ServiceLocator.GetOrDefault<ILocalizationService>()?.Get(key, table) ?? key;
+
+        // ── 内部 ─────────────────────────────────────────────────────────────
+        private bool TryGetFromTable(Language language, string table, string key, out string value)
+        {
+            var cacheKey = $"{language}/{table}";
+            if (!_cache.TryGetValue(cacheKey, out var dict))
+            {
+                dict = LoadTable(language, table);
+                _cache[cacheKey] = dict;   // 即使加载失败也存入空字典，避免每帧重试
+            }
+            return dict != null && dict.TryGetValue(key, out value);
+        }
+
+        /// <summary>
+        /// 从 Resources/Localization/{language}/{table}.json 加载字符串表。
+        /// 返回 null 表示文件不存在。
+        /// </summary>
+        private static Dictionary<string, string> LoadTable(Language language, string table)
+        {
+            string path = $"Localization/{language}/{table}";
+            var asset = Resources.Load<TextAsset>(path);
+            if (asset == null) return null;
+
+            var parsed = JsonUtility.FromJson<StringTableJson>(asset.text);
+            if (parsed?.entries == null) return null;
+
+            var dict = new Dictionary<string, string>(parsed.entries.Count, StringComparer.Ordinal);
+            foreach (var entry in parsed.entries)
+                if (!string.IsNullOrEmpty(entry.key))
+                    dict[entry.key] = entry.value ?? string.Empty;
+
+            return dict;
+        }
+
+        // ── 序列化辅助类型 ────────────────────────────────────────────────────
+
+        [Serializable]
+        private class StringTableJson
+        {
+            public List<StringEntry> entries;
+        }
+
+        [Serializable]
+        private class StringEntry
+        {
+            public string key;
+            public string value;
+        }
+    }
+}
+

Assets/Scripts/Localization/LocalizationManager.cs.meta

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