fix: 补回被合成入口丢掉的 default 导出

button/container/data-converter/data-list/grid-layout/grid-layout-form/
res-ws/virtual-fs 这几个入口的 index.js 都用 export { default as X } from './xxx'
转发了 default 导出，但同级有手写 types/ 目录时会触发合成入口逻辑，用
export * from './index' 拼入口文件，而 export * 在 ES 模块语义里不会带出 default，
导致这些包的 default 导出（部分甚至连实现本身，如 DataConverter、ResWs 整个类）
被 tree-shake 掉，没有出现在最终产物里。

container.d.ts

@@ -96,6 +96,47 @@ type PopupHandle<T = unknown> = Promise<T> & {
  */
 declare const SlotContext: React.Context<SlotContextValue>;
 
+/**
+ * 页面级容器,通过 SlotContext 把 title/subTitle/actions/extras 挂载到外层布局的对应插槽位置
+ * @param {Object} props
+ * @param {string} [props.rootClassName] 挂载到外层布局根节点的 className
+ * @param {string} [props.className] 容器自身的 className
+ * @param {ReactNode} [props.children] 容器内容
+ * @param {ReactNode} [props.actions] 挂载到 actions 插槽的内容
+ * @param {ReactNode} [props.title] 挂载到 title 插槽的内容
+ * @param {ReactNode} [props.subTitle] 挂载到 sub-title 插槽的内容
+ * @param {ReactNode} [props.extras] 挂载到 extras 插槽的内容
+ * @param {CSSProperties} [props.style] 容器行内样式
+ */
+declare function FFContainer({ rootClassName, className, children, actions, title, subTitle, extras, style }: {
+    rootClassName?: string;
+    className?: string;
+    children?: React.ReactNode;
+    actions?: React.ReactNode;
+    title?: React.ReactNode;
+    subTitle?: React.ReactNode;
+    extras?: React.ReactNode;
+    style?: React.CSSProperties;
+}): React.JSX.Element;
+declare namespace FFContainer {
+    function Action({ children, className }: {
+        children: any;
+        className: any;
+    }): any;
+    function Title({ children, className }: {
+        children: any;
+        className: any;
+    }): any;
+    function SubTitle({ children, className }: {
+        children: any;
+        className: any;
+    }): any;
+    function Extra({ children, className }: {
+        children: any;
+        className: any;
+    }): any;
+}
+
 declare namespace FFPopup {
     export { modal };
     export { confirm };
@@ -161,5 +202,5 @@ declare namespace FFPopupRender {
     function $onClick(...args: any[]): Promise<any>;
 }
 
-export { SlotContext as Context, Empty, Loading, NotFound, FFPageRender as PageRender, FFPopup as Popup, FFPopupRender as PopupRender };
+export { SlotContext as Context, Empty, Loading, NotFound, FFPageRender as PageRender, FFPopup as Popup, FFPopupRender as PopupRender, FFContainer as default };
 export type { PopupContainerProps, PopupHandle, SlotContextValue, SlotElements, SlotKey };