[backend] fix: 修复异常处理和类型转换问题

frontend/node_modules/rc-mentions/lib/MentionsContext.d.ts

@@ -0,0 +1,13 @@
+import * as React from 'react';
+import type { OptionProps } from './Option';
+export interface MentionsContextProps {
+    notFoundContent: React.ReactNode;
+    activeIndex: number;
+    setActiveIndex: (index: number) => void;
+    selectOption: (option: OptionProps) => void;
+    onFocus: React.FocusEventHandler<HTMLElement>;
+    onBlur: React.FocusEventHandler<HTMLElement>;
+    onScroll: React.UIEventHandler<HTMLElement>;
+}
+declare const MentionsContext: React.Context<MentionsContextProps>;
+export default MentionsContext;