fix: display of codeblock on mobile

components/chat-message.tsx

@@ -28,9 +28,9 @@ export function ChatMessage({ message, ...props }: ChatMessageProps) {
       >
         {message.role === 'user' ? <IconUser /> : <IconOpenAI />}
       </div>
-      <div className="ml-4 flex-1 space-y-2 px-1">
+      <div className="ml-4 flex-1 space-y-2 overflow-hidden px-1">
         <MemoizedReactMarkdown
-          className="prose dark:prose-invert prose-p:leading-relaxed prose-pre:p-0"
+          className="prose break-words dark:prose-invert prose-p:leading-relaxed prose-pre:p-0"
           remarkPlugins={[remarkGfm, remarkMath]}
           components={{
             p({ children }) {