feat: update codex live runtime and restart flow

src/app/main/mainChatPanel/ChatPreviewBody.tsx

@@ -209,6 +209,7 @@ type ChatPreviewBodyProps = {
   isPreviewLoading: boolean;
   previewError: string;
   previewContentType?: string;
+  maxMarkdownBlocks?: number;
 };
 
 function isHtmlFallbackPreview(target: ChatPreviewTarget, previewText: string, previewContentType: string | undefined) {
@@ -236,6 +237,7 @@ export function ChatPreviewBody({
   isPreviewLoading,
   previewError,
   previewContentType,
+  maxMarkdownBlocks,
 }: ChatPreviewBodyProps) {
   if (!target) {
     return <Empty description="preview 가능한 링크가 아직 없습니다." />;
@@ -294,7 +296,10 @@ export function ChatPreviewBody({
   if (target.kind === 'markdown') {
     return (
       <div className="app-chat-panel__preview-rich app-chat-panel__preview-rich--markdown">
-        <MarkdownPreviewContent content={previewText || '# Preview\n\n표시할 preview 본문이 없습니다.'} maxBlocks={12} />
+        <MarkdownPreviewContent
+          content={previewText || '# Preview\n\n표시할 preview 본문이 없습니다.'}
+          maxBlocks={maxMarkdownBlocks}
+        />
       </div>
     );
   }