refactor: update INativeStorageService abstraction

src/NexusReader.Application/Abstractions/Services/INativeStorageService.cs

@@ -4,13 +4,11 @@ namespace NexusReader.Application.Abstractions.Services;
 
 public interface INativeStorageService
 {
-    Result SaveString(string key, string value);
+    Task<Result<string>> GetSecureString(string key);
-    Result<string?> GetString(string key);
-    Result SaveBool(string key, bool value);
-    Result<bool> GetBool(string key, bool defaultValue = false);
-    Result Remove(string key);
-    
     Task<Result> SaveSecureString(string key, string value);
-    Task<Result<string?>> GetSecureString(string key);
+    Task<Result<bool>> GetBool(string key);
-    Result RemoveSecure(string key);
+    Task<Result> SaveBool(string key, bool value);
+    Task<Result<int>> GetInt(string key);
+    Task<Result> SaveInt(string key, int value);
+    Task<Result> ClearAll();
 }