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/graph.json

@@ -0,0 +1,97 @@
+{
+  "title": "图浏览器",
+  "description": "可视化代码依赖关系",
+  "filters": {
+    "title": "筛选",
+    "nodeTypes": "节点类型",
+    "edgeTypes": "边类型",
+    "selectNodeTypes": "选择节点类型",
+    "selectEdgeTypes": "选择边类型",
+    "searchPlaceholder": "搜索节点...",
+    "showOnlyIssues": "仅显示问题",
+    "showIsolatedNodes": "显示孤立节点",
+    "minComplexity": "最小复杂度",
+    "maxDepth": "最大深度",
+    "reset": "重置"
+  },
+  "nodeTypes": {
+    "component": "组件",
+    "module": "模块",
+    "function": "函数",
+    "class": "类",
+    "interface": "接口",
+    "variable": "变量",
+    "file": "文件",
+    "folder": "文件夹",
+    "dependency": "依赖",
+    "api": "API",
+    "database": "数据库",
+    "service": "服务",
+    "hook": "钩子",
+    "utility": "工具",
+    "unknown": "未知"
+  },
+  "edgeTypes": {
+    "imports": "导入",
+    "exports": "导出",
+    "extends": "继承",
+    "implements": "实现",
+    "uses": "使用",
+    "dependsOn": "依赖",
+    "calls": "调用",
+    "instantiates": "实例化",
+    "contains": "包含",
+    "relatedTo": "相关",
+    "dataFlow": "数据流",
+    "event": "事件",
+    "unknown": "未知"
+  },
+  "actions": {
+    "fitView": "适应屏幕",
+    "refresh": "刷新",
+    "resetFilters": "重置筛选",
+    "export": "导出",
+    "settings": "设置",
+    "zoomIn": "放大",
+    "zoomOut": "缩小"
+  },
+  "legend": {
+    "title": "图例",
+    "nodeTypes": "节点类型",
+    "edgeTypes": "边类型",
+    "component": "组件",
+    "module": "模块",
+    "class": "类",
+    "function": "函数",
+    "variable": "变量",
+    "imports": "导入（实线）",
+    "calls": "调用（绿色线）",
+    "extends": "继承（虚线）"
+  },
+  "sidebar": {
+    "title": "图浏览器",
+    "nodeDetails": "节点详情",
+    "hasIssues": "存在问题",
+    "filePath": "文件路径",
+    "lineNumber": "行号",
+    "category": "类别",
+    "lineCount": "代码行数",
+    "documentation": "文档说明",
+    "tags": "标签",
+    "issues": "问题",
+    "instructions": "点击节点查看详情。使用工具栏筛选节点和边。"
+  },
+  "status": {
+    "nodes": "节点",
+    "edges": "边",
+    "loading": "加载图中...",
+    "updating": "更新中...",
+    "filtered": "显示 {count} / {total} 个节点"
+  },
+  "error": {
+    "loading": "加载图失败：{message}",
+    "empty": "没有可用的图数据",
+    "unknown": "发生未知错误"
+  },
+  "empty": "没有可用的图数据。尝试调整筛选器或刷新页面。"
+}