feat(cnb-board): add cnb-dev-env routes and related functionalities

- Implemented routes for cnb-board to fetch live environment configurations, repository info, build info, pull request info, NPC info, and comment info.
- Created a utility function to execute shell commands.
- Added a check to determine if the environment is a CNB environment.
- Introduced a method to retrieve live markdown content with detailed service access information.
- Enhanced system information retrieval with CPU, memory, and disk usage metrics.
- Established a module structure for better organization of cnb-board related functionalities.

agent/routes/cnb-board/index.ts

@@ -0,0 +1,38 @@
+import { app } from '../../app.ts';
+import './cnb-dev-env.ts';
+import { useKey } from '@kevisual/context';
+import { spawnSync } from 'node:child_process';
+
+export const execCommand = (command: string, options: { cwd?: string } = {}) => {
+  const { cwd } = options;
+  return spawnSync(command, {
+    stdio: 'inherit',
+    shell: true,
+    cwd: cwd,
+    env: process.env,
+  });
+};
+app.route({
+  path: 'cnb-board',
+  key: 'is-cnb-board',
+  description: '检查是否是 cnb-board 环境',
+  middleware: ['auth-admin']
+}).define(async (ctx) => {
+  const isCNB = useKey('CNB');
+  ctx.body = {
+    isCNB: !!isCNB,
+  };
+}).addTo(app);
+
+
+
+
+app.route({
+  path: 'cnb-board',
+  key: 'exit',
+  description: 'cnb的工作环境退出程序',
+  middleware: ['auth-admin'],
+}).define(async (ctx) => {
+  const cmd = 'kill 1';
+  execCommand(cmd);
+}).addTo(app);