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/issues/list.ts

@@ -1,5 +1,5 @@
 import { createSkill, tool } from '@kevisual/router';
-import { app, cnb } from '../../app.ts';
+import { app, cnbManager } from '../../app.ts';
 import { useKey } from '@kevisual/context';
 
 // 查询 Issue 列表 repo是 kevisual/kevisual
@@ -7,7 +7,7 @@ app.route({
   path: 'cnb',
   key: 'list-issues',
   description: '查询 Issue 列表, 参数 repo, state, keyword, labels, page, page_size 等',
-  middleware: ['auth-admin'],
+  middleware: ['auth'],
   metadata: {
     tags: ['opencode'],
     ...createSkill({
@@ -26,6 +26,7 @@ app.route({
     })
   }
 }).define(async (ctx) => {
+  const cnb = await cnbManager.getContext(ctx);
   const repo = ctx.query?.repo || useKey('CNB_REPO_SLUG_LOWERCASE');
   const state = ctx.query?.state;
   const keyword = ctx.query?.keyword;