Add workspace root directory validation for sheet commands

- Add new error message for non-root directory execution
- Validate current directory in sheet use/exit commands
- Add directory correction helper for other commands
- Return Result from jv_sheet_exit to handle validation failures

1 files changed, 2 insertions, 0 deletions

diff --git a/locales/help_docs/zh-CN.yml b/locales/help_docs/zh-CN.yml
index 5173daf..606f260 100644
--- a/locales/help_docs/zh-CN.yml
+++ b/locales/help_docs/zh-CN.yml
@@ -505,6 +505,8 @@ jv:
       current_dir_name: 无法获得当前目录的名称
       set_current_dir: 无法设置到目录 %{dir}
 
+    not_root_dir: 该命令需要在工作区根目录运行！
+
     move:
       rename_failed: |
         **警告**：移动本地文件 `%{from}` 至 `%{to}` 失败：%{error}