feat: 添加工作空间保持存活功能，更新相关依赖和配置

src/workspace/keep-worker.ts

@@ -0,0 +1,13 @@
+import { createKeepAlive } from '@kevisual/cnb/keep';
+
+const wsUrl = process.argv[2];
+const cookie = process.argv[3];
+
+createKeepAlive({
+  wsUrl,
+  cookie,
+  onConnect: () => console.log('已连接'),
+  debug: true
+});
+
+process.on('SIGINT', () => process.exit(0));