feat(a2ui): Implement A2UI backend with question handling and WebSocket support

- Added A2UITypes for defining question structures and answers.
- Created A2UIWebSocketHandler for managing WebSocket connections and message handling.
- Developed ask-question tool for interactive user questions via A2UI.
- Introduced platformUtils for platform detection and shell command handling.
- Centralized TypeScript types in index.ts for better organization.
- Implemented compatibility checks for hook templates based on platform requirements.

ccw/frontend/src/locales/zh/common.json

@@ -35,6 +35,7 @@
     "submit": "提交",
     "reset": "重置",
     "resetDesc": "将所有用户偏好重置为默认值。此操作无法撤销。",
+    "saving": "Saving...",
     "resetConfirm": "确定要将所有设置重置为默认值吗？",
     "resetToDefaults": "重置为默认值",
     "enable": "启用",
@@ -68,7 +69,9 @@
     "creating": "创建中...",
     "deleting": "删除中...",
     "label": "状态",
-    "openIssues": "开放问题"
+    "openIssues": "开放问题",
+    "enabled": "Enabled",
+    "disabled": "已禁用"
   },
   "priority": {
     "low": "低",