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- Removed outdated readme files from requirements.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/app.ts

@@ -6,7 +6,10 @@ import { nanoid } from 'nanoid';
 
 export const config = useConfig()
 export const cnb = useContextKey<CNB>('cnb', () => {
-  const token = useKey('CNB_API_KEY') as string
+  // CNB_TOKEN是降级兼容变量，推荐使用CNB_API_KEY
+  // CNB_TOKEN 是流水线自己就有的变量，但是权限比较小
+  const token = useKey('CNB_API_KEY') as string || useKey('CNB_TOKEN') as string
+  // cookie 变量是可选的
   const cookie = useKey('CNB_COOKIE') as string
   return new CNB({ token: token, cookie: cookie });
 })