feat: the frontend part of mcp (#22131)

Co-authored-by: jZonG <jzongcode@gmail.com>
Co-authored-by: Novice <novice12185727@gmail.com>
Co-authored-by: nite-knite <nkCoding@gmail.com>
Co-authored-by: Hanqing Zhao <sherry9277@gmail.com>

web/i18n/zh-Hans/plugin.ts

@@ -94,6 +94,7 @@ const translation = {
       unsupportedTitle: '不支持的 Action',
       unsupportedContent: '已安装的插件版本不提供这个 action。',
       unsupportedContent2: '点击切换版本',
+      unsupportedMCPTool: '当前选定的 Agent 策略插件版本不支持 MCP 工具。',
     },
     configureApp: '应用设置',
     configureModel: '模型设置',