Restore Agent workspace and add platform pixel avatars

tests/unit/cloud-agents-guidance.test.tsx

@@ -65,19 +65,25 @@ it('starts private use through the existing publication action and retains its i
   expect(api.call.mock.calls.some(([operation]) => operation === 'share' || operation === 'createApplication')).toBe(false);
 });
 
-it('keeps custom requirements intact while toggling and editing answer styles', () => {
+it('preserves the entire prompt when displaying and editing former style instruction lines', () => {
+  const initial = '我的规则\n\n  保留缩进和解释。\n使用简单易懂的语言，遇到新词先解释。\n把任务拆成小步骤，一次引导我完成一步。\n先给我提示和思考问题，让我尝试后再补充答案。\n';
+  const edited = '先给我提示和思考问题，让我尝试后再补充答案。\n\n    我的新规则\n使用简单易懂的语言，遇到新词先解释。\n把任务拆成小步骤，一次引导我完成一步。\n\n';
   const onChange = vi.fn();
   function Requirements() {
-    const [value, setValue] = useState('我的规则\n\n  保留缩进和解释。');
+    const [value, setValue] = useState(initial);
     return <AgentRequirements value={value} onChange={next => { onChange(next); setValue(next); }} />;
   }
   render(<Requirements />);
-  fireEvent.click(screen.getByRole('button', { name: '简单易懂' }));
-  fireEvent.click(screen.getByRole('button', { name: '先给我提示' }));
-  expect(screen.getByLabelText('特别要求')).toHaveValue('我的规则\n\n  保留缩进和解释。');
-  fireEvent.click(screen.getByRole('button', { name: '简单易懂' }));
-  fireEvent.change(screen.getByLabelText('特别要求'), { target: { value: '我的新规则' } });
-  expect(onChange).toHaveBeenLastCalledWith('我的新规则\n先给我提示和思考问题，让我尝试后再补充答案。');
+  const prompt = screen.getByLabelText('提示词');
+  expect(prompt).toHaveValue(initial);
+  expect(prompt).toHaveAttribute('maxlength', '32000');
+  expect(prompt).toHaveAttribute('placeholder', '填写智能体的任务和要求');
+  expect(screen.queryByRole('button')).not.toBeInTheDocument();
+  expect(onChange).not.toHaveBeenCalled();
+  fireEvent.change(prompt, { target: { value: edited } });
+  expect(onChange).toHaveBeenCalledOnce();
+  expect(onChange).toHaveBeenLastCalledWith(edited);
+  expect(prompt).toHaveValue(edited);
 });
 
 it('waits for a successful save, preserves the old trial and reuses its question without sending', async () => {