feat: update package version to 0.0.42 and add CNB version fetching functionality

- Updated package version in package.json from 0.0.40 to 0.0.42.
- Added getCNBVersion function to fetch CNB version information from the API.
- Enhanced Issue class with methods for managing comments (list, create, get, update).
- Introduced new NPC and comment environment hooks for better context management.
- Implemented Docker image synchronization route for CNB.
- Added tests for version fetching and issue comment functionalities.

agent/routes/issues/list.ts

@@ -14,7 +14,7 @@ app.route({
       skill: 'list-issues',
       title: '查询 Issue 列表',
       args: {
-        repo: tool.schema.string().describe('代码仓库名称, 如 my-user/my-repo'),
+        repo: tool.schema.string().optional().describe('代码仓库名称, 如 my-user/my-repo'),
         state: tool.schema.string().optional().describe('Issue 状态：open 或 closed'),
         keyword: tool.schema.string().optional().describe('问题搜索关键词'),
         labels: tool.schema.string().optional().describe('问题标签，多个用逗号分隔'),
@@ -27,7 +27,7 @@ app.route({
   }
 }).define(async (ctx) => {
   const cnb = await cnbManager.getContext(ctx);
-  const repo = ctx.query?.repo || useKey('CNB_REPO_SLUG_LOWERCASE');
+  let repo = ctx.query?.repo || useKey('CNB_REPO_SLUG_LOWERCASE');
   const state = ctx.query?.state;
   const keyword = ctx.query?.keyword;
   const labels = ctx.query?.labels;