fix(client): address tool tree review

packages/client/ui-conversation/src/client/chat/GenericCommandCard.tsx

@@ -45,6 +45,7 @@ export function GenericCommandCard({ node, t, runningSummary }: GenericCommandCa
   const open = expanded && body !== null
   return (
     <div className={css.root} data-variant="others" data-state={state}>
+      {state === 'running' && <span className={a11yCss.visuallyHidden}>{t('row.running')}</span>}
       {state === 'error' && <span className={a11yCss.visuallyHidden}>{t('row.failed')}</span>}
       <DisclosureRow
         rowClassName={css.row}

packages/client/ui-conversation/tests/chat-view.spec.tsx

@@ -1278,6 +1278,7 @@ describe('ChatView', () => {
     const xv = render(<executing.ChatView {...executing.props} />)
     expect(xv.container.querySelector('[data-state="running"]')).not.toBeNull()
     expect(xv.getByText('执行中…')).toBeTruthy()
+    expect(xv.getByText('运行中')).toBeTruthy()
 
     // Cross-window soft-fall (run page truncated): generic title, outcome preserved.
     const orphan = makeHarness({