升级 AppStore 缓存 Key 并在覆盖安装时强制重新登录。

统一账号作用域 Key 对齐 Android，新增缓存 schema 迁移清理旧数据，并同步更新相关模块与单元测试。

Co-authored-by: Cursor <cursoragent@cursor.com>

suixinkan/UI/Login/LoginViewController.swift

@@ -116,12 +116,12 @@ final class LoginViewController: BaseViewController {
         }
 
         welcomeLabel.snp.makeConstraints { make in
-            make.top.equalTo(view.safeAreaLayoutGuide).offset(48)
+            make.top.equalTo(view.safeAreaLayoutGuide).offset(50)
             make.leading.trailing.equalTo(view.safeAreaLayoutGuide).inset(24)
         }
 
         formCardShadowView.snp.makeConstraints { make in
-            make.top.equalTo(welcomeLabel.snp.bottom).offset(48)
+            make.top.equalTo(welcomeLabel.snp.bottom).offset(50)
             make.leading.trailing.equalTo(view.safeAreaLayoutGuide).inset(24)
             make.bottom.lessThanOrEqualTo(view.safeAreaLayoutGuide).offset(-24)
         }