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/workspace/keep.ts

@@ -1,6 +1,7 @@
 import { tool } from '@kevisual/router';
 import { app, cnb } from '../../app.ts';
 import { addKeepAliveData, KeepAliveData, removeKeepAliveData, createLiveData } from '../../../src/workspace/keep-file-live.ts';
+import { useKey } from '@kevisual/context';
 
 // 保持工作空间存活技能
 app.route({
@@ -75,3 +76,23 @@ app.route({
 
 
 
+app.route({
+  path: 'cnb',
+  key: 'keep-alive-current-workspace',
+  description: '保持当前工作空间存活技能',
+  middleware: ['admin-auth'],
+  metadata: {
+    tags: ['opencode'],
+    skill: 'keep-alive-current-workspace',
+    title: '保持当前工作空间存活',
+    summary: '保持当前工作空间存活，防止被关闭或释放资源',
+  }
+}).define(async (ctx) => {
+  const pipelineId = useKey('CNB_PIPELINE_ID');
+  const repo = useKey('CNB_REPO_SLUG_LOWERCASE');
+  if (!pipelineId || !repo) {
+    ctx.throw(400, '当前环境缺少 CNB_PIPELINE_ID 或 CNB_REPO_SLUG_LOWERCASE 环境变量，无法保持工作空间存活');
+  }
+  const res = await app.run({ path: 'cnb', key: 'keep-workspace-alive', payload: { repo, pipelineId } }, ctx);
+  ctx.forward(res);
+}).addTo(app);