feat: update package dependencies and add new routes for CNB environment management

- Updated package.json and pnpm-lock.yaml with new dependencies and versions.
- Removed outdated readme files from requirements.
- Enhanced CNB environment configuration in cnb-env.ts with new VS Code remote SSH settings.
- Modified KnowledgeBase class to return structured results.
- Updated Workspace class to return structured results.
- Implemented new routes for managing CNB cookies and VS Code proxy URIs.
- Added AI chat functionality for querying knowledge base.
- Created skills for cleaning up closed workspaces.

agent/routes/cnb-env/index.ts

@@ -1 +1,3 @@
-// 根据环境变量获取当前的 cnb 启动环境
+// 根据环境变量获取当前的 cnb 启动环境
+import './vscode.ts';
+import './env.ts';