docs: 添加指令管理功能文档

en/use/webui.md

@@ -41,6 +41,14 @@ You can also click the + button in the bottom right corner to manually install p
 
 > Due to the plugin update mechanism, the AstrBot Team cannot fully guarantee the security of plugins in the plugin market. Please carefully verify them. The AstrBot Team is not responsible for any losses caused by plugins.
 
+## Command Management
+
+Use the `Command Management` menu on the left to centrally manage all registered commands; system plugins are hidden by default.
+
+Filter by plugin, type (command / command group / subcommand), permission, and status, and combine with the search box for quick lookup. Command group rows can expand to show subcommands, badges display the subcommand count, and subcommand rows are indented to indicate hierarchy.
+
+You can enable/disable and rename each command.
+
 ## Updating the Admin Panel
 
 When AstrBot starts, it automatically checks if the admin panel needs updating. If it does, the first log entry (in yellow) will prompt you.

zh/use/webui.md

@@ -41,6 +41,14 @@ AstrBot 管理面板具有管理插件、查看日志、可视化配置、查看
 
 > 由于插件更新机制，AstrBot Team 无法完全保证插件市场中插件的安全性，请您仔细甄别。因为插件原因造成损失的，AstrBot Team 不予负责。
 
+## 指令管理
+
+通过左侧菜单 `指令管理`，可以集中管理所有已注册的指令，默认不显示系统插件。
+
+支持按插件、类型（指令 / 指令组 / 子指令）、权限与状态过滤，配合搜索框快速定位。指令组行可展开查看子指令，徽章显示子指令数量，子指令行会缩进区分层级。
+
+可以对每个指令 启用/禁用、重命名。
+
 ## 更新管理面板
 
 在 AstrBot 启动时，会自动检查管理面板是否需要更新，如果需要，第一条日志（黄色）会进行提示。