Initial Unity project commit

Assets/_Project/Scripts/Editor/SaveDataCleaner.cs

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+using UnityEngine;
+using UnityEditor;
+using System.IO;
+
+public class SaveDataCleaner : EditorWindow
+{
+    [MenuItem("Tools/Clear Save Data")]
+    public static void ClearSaveData()
+    {
+        string savePath = Path.Combine(Application.persistentDataPath, "savegame.json");
+        
+        if (File.Exists(savePath))
+        {
+            File.Delete(savePath);
+            Debug.Log($"[SaveDataCleaner] 已删除存档文件: {savePath}");
+        }
+        else
+        {
+            Debug.LogWarning("[SaveDataCleaner] 未找到存档文件，无需清理。");
+        }
+
+        // 还可以清理 PlayerPrefs (如果有用到)
+        // PlayerPrefs.DeleteAll();
+        // Debug.Log("[SaveDataCleaner] 已清理 PlayerPrefs。");
+
+        AssetDatabase.Refresh();
+    }
+}

Assets/_Project/Scripts/Editor/SaveDataCleaner.cs.meta

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