feat: 重构CNB管理模块，添加清理记录功能，更新中间件为统一认证方式，优化工作空间相关路由

agent/routes/knowledge/ai.ts

@@ -1,5 +1,5 @@
 import { createSkill, tool } from '@kevisual/router';
-import { app, cnb } from '../../app.ts';
+import { app, cnbManager } from '../../app.ts';
 import { CNBChat } from '@kevisual/ai/browser'
 import { useKey } from '@kevisual/context';
 
@@ -13,7 +13,7 @@ app.route({
   path: 'cnb',
   key: 'cnb-ai-chat',
   description: '调用cnb的知识库ai对话功能进行聊天',
-  middleware: ['auth-admin'],
+  middleware: ['auth'],
   metadata: {
     tags: ['opencode'],
     ...createSkill({
@@ -27,6 +27,7 @@ app.route({
     })
   }
 }).define(async (ctx) => {
+  const cnb = await cnbManager.getContext(ctx);
   const question = ctx.query?.question;
   if (!question) {
     ctx.body = { content: '请提供有效的消息内容' };
@@ -89,7 +90,7 @@ app.route({
   path: 'cnb',
   key: 'cnb-rag-query',
   description: '调用cnb的知识库RAG查询功能进行问答',
-  middleware: ['auth-admin'],
+  middleware: ['auth'],
   metadata: {
     tags: ['opencode'],
     ...createSkill({
@@ -103,6 +104,7 @@ app.route({
     })
   }
 }).define(async (ctx) => {
+  const cnb = await cnbManager.getContext(ctx);
   const question = ctx.query?.question;
   if (!question) {
     ctx.body = { content: '请提供有效的消息内容' };