/** * WriteToolViewer * * Renders the Write tool result. */ import React from 'react'; import { CodeBlockViewer, MarkdownViewer } from '@renderer/components/chat/viewers'; import type { LinkedToolItem } from '@renderer/types/groups'; interface WriteToolViewerProps {  linkedTool: LinkedToolItem;} export const WriteToolViewer: React.FC<WriteToolViewerProps> = ({ linkedTool }) => {  const toolUseResult = linkedTool.result?.toolUseResult as Record<string, unknown> | undefined;   const filePath = (toolUseResult?.filePath as string) || (linkedTool.input.file_path as string);  const content = (toolUseResult?.content as string) || (linkedTool.input.content as string) || '';  const isCreate = toolUseResult?.type === 'create';  const isMarkdownFile = /\.mdx?$/i.test(filePath);  const [viewMode, setViewMode] = React.useState<'code' | 'preview'>('code');   return (    <div className="space-y-2">      <div className="mb-1 text-xs text-zinc-500">        {isCreate ? 'Created file' : 'Wrote to file'}      </div>      {isMarkdownFile && (        <div className="flex items-center justify-end gap-1">          <button            type="button"            onClick={() => setViewMode('code')}            className="rounded px-2 py-1 text-xs transition-colors"            style={{              backgroundColor: viewMode === 'code' ? 'var(--tag-bg)' : 'transparent',              color: viewMode === 'code' ? 'var(--tag-text)' : 'var(--color-text-muted)',              border: '1px solid var(--tag-border)',            }}          >            Code          </button>          <button            type="button"            onClick={() => setViewMode('preview')}            className="rounded px-2 py-1 text-xs transition-colors"            style={{              backgroundColor: viewMode === 'preview' ? 'var(--tag-bg)' : 'transparent',              color: viewMode === 'preview' ? 'var(--tag-text)' : 'var(--color-text-muted)',              border: '1px solid var(--tag-border)',            }}          >            Preview          </button>        </div>      )}      {isMarkdownFile && viewMode === 'preview' ? (        <MarkdownViewer content={content} label="Markdown Preview" copyable />      ) : (        <CodeBlockViewer fileName={filePath} content={content} startLine={1} />      )}    </div>  );};