feat: 更新获取CNB配置的路由，优化参数处理并添加错误处理

agent/routes/cnb-manager/index.ts

@@ -21,4 +21,28 @@ app.route({
     cnbManager.clearUsername(username);
   }
   ctx.body = { content: '已清理cnb-manager记录' };
-}).addTo(app);
+}).addTo(app);
+
+app.route({
+  path: 'cnb',
+  key: 'get-my-config',
+  description: '获取我的cnb配置',
+  middleware: ['auth'],
+}).define(async (ctx) => {
+  const username = ctx.tokenUser?.username;
+  const token = ctx.query?.token;
+  if (!username) {
+    ctx.throw(400, '未授权');
+  }
+  if (!token) {
+    ctx.throw(400, '缺少token参数');
+  }
+  const cnbItem = await cnbManager.getCNB({ username, kevisualToken: token });
+  if (!cnbItem) {
+    ctx.throw(404, '未找到cnb-manager记录');
+  }
+  ctx.body = {
+    token: cnbItem.token,
+    cookie: cnbItem.cookie,
+  }
+}).addTo(app);