feat: add CLI Command Node and Prompt Node components for orchestrator

- Implemented CliCommandNode component for executing CLI tools with AI models.
- Implemented PromptNode component for constructing AI prompts with context.
- Added styling for mode and tool badges in both components.
- Enhanced user experience with command and argument previews, execution status, and error handling.

test: add comprehensive tests for ask_question tool

- Created direct test for ask_question tool execution.
- Developed end-to-end tests to validate ask_question tool integration with WebSocket and A2UI surfaces.
- Implemented simple and integrated WebSocket tests to ensure proper message handling and surface reception.
- Added tool registration test to verify ask_question tool is correctly registered.

chore: add WebSocket listener and simulation tests

- Added WebSocket listener for A2UI surfaces to facilitate testing.
- Implemented frontend simulation test to validate complete flow from backend to frontend.
- Created various test scripts to ensure robust testing of ask_question tool functionality.

test-ask-question.js

@@ -0,0 +1,77 @@
+/**
+ * Test ask_question MCP tool
+ */
+
+import { executeTool } from './ccw/dist/tools/index.js';
+
+async function testAskQuestion() {
+  console.log('Testing ask_question tool...\n');
+
+  // Test 1: Confirm question
+  console.log('Test 1: Confirm Question');
+  const confirmResult = await executeTool('ask_question', {
+    question: {
+      id: 'test-confirm-1',
+      type: 'confirm',
+      title: '是否继续执行当前操作？',
+      message: '这是一个确认对话框测试',
+      description: '点击确认继续，点击取消终止',
+    },
+    timeout: 30000, // 30 seconds
+  });
+  console.log('Result:', JSON.stringify(confirmResult, null, 2));
+
+  // Test 2: Select question
+  console.log('\n\nTest 2: Select Question');
+  const selectResult = await executeTool('ask_question', {
+    question: {
+      id: 'test-select-1',
+      type: 'select',
+      title: '请选择您的偏好颜色',
+      options: [
+        { value: 'red', label: '红色', description: '热情的红色' },
+        { value: 'blue', label: '蓝色', description: '冷静的蓝色' },
+        { value: 'green', label: '绿色', description: '自然的绿色' },
+      ],
+    },
+    timeout: 30000,
+  });
+  console.log('Result:', JSON.stringify(selectResult, null, 2));
+
+  // Test 3: Input question
+  console.log('\n\nTest 3: Input Question');
+  const inputResult = await executeTool('ask_question', {
+    question: {
+      id: 'test-input-1',
+      type: 'input',
+      title: '请输入您的名字',
+      placeholder: '例如: 张三',
+      required: true,
+    },
+    timeout: 30000,
+  });
+  console.log('Result:', JSON.stringify(inputResult, null, 2));
+
+  // Test 4: Multi-select question
+  console.log('\n\nTest 4: Multi-Select Question');
+  const multiResult = await executeTool('ask_question', {
+    question: {
+      id: 'test-multi-1',
+      type: 'multi-select',
+      title: '选择您感兴趣的编程语言（可多选）',
+      options: [
+        { value: 'js', label: 'JavaScript' },
+        { value: 'ts', label: 'TypeScript' },
+        { value: 'py', label: 'Python' },
+        { value: 'go', label: 'Go' },
+      ],
+    },
+    timeout: 30000,
+  });
+  console.log('Result:', JSON.stringify(multiResult, null, 2));
+
+  console.log('\n✅ All tests completed');
+}
+
+// Run tests
+testAskQuestion().catch(console.error);