fix: mcp serve

src/cli/commands/serve.ts

@@ -47,7 +47,7 @@ function getMimeType(filePath: string): string {
 /**
  * 扫描目录内的 .md 文件，生成索引
  */
-function scanDirectory(dir: string): ContentIndex {
+export function scanDirectory(dir: string): ContentIndex {
   const index: ContentIndex = {};
 
   function scan(currentPath: string, relativePath: string) {
@@ -176,10 +176,35 @@ function createRequestHandler(
 }
 
 /**
- * 启动开发服务器
+ * 内容服务器接口
  */
-export const serveCommand: ServeCommandHandler = async (dir, options) => {
-  const contentDir = resolve(dir);
+export interface ContentServer {
+  /**
+   * HTTP 服务器实例
+   */
+  server: Server;
+  /**
+   * 文件监听器
+   */
+  watcher: ReturnType<typeof watch>;
+  /**
+   * 内容索引
+   */
+  index: ContentIndex;
+  /**
+   * 关闭服务器
+   */
+  close(): void;
+}
+
+/**
+ * 创建内容服务器
+ */
+export function createContentServer(
+  contentDir: string,
+  port: number,
+  distPath: string = distDir,
+): ContentServer {
   let contentIndex: ContentIndex = {};
 
   // 扫描内容目录生成索引
@@ -231,19 +256,38 @@ export const serveCommand: ServeCommandHandler = async (dir, options) => {
   // 创建请求处理器
   const handleRequest = createRequestHandler(
     contentDir,
-    distDir,
+    distPath,
     () => contentIndex,
   );
 
   // 创建 HTTP 服务器
   const server = createServer(handleRequest);
 
-  const port = parseInt(options.port, 10);
-
   server.listen(port, () => {
     console.log(`\n开发服务器已启动：http://localhost:${port}`);
     console.log(`内容目录：${contentDir}`);
-    console.log(`静态资源目录：${distDir}`);
+    console.log(`静态资源目录：${distPath}`);
     console.log(`索引文件：http://localhost:${port}/__CONTENT_INDEX.json\n`);
   });
+
+  return {
+    server,
+    watcher,
+    index: contentIndex,
+    close() {
+      console.log("关闭内容服务器...");
+      server.close();
+      watcher.close();
+    },
+  };
+}
+
+/**
+ * 启动开发服务器
+ */
+export const serveCommand: ServeCommandHandler = async (dir, options) => {
+  const contentDir = resolve(dir);
+  const port = parseInt(options.port, 10);
+
+  createContentServer(contentDir, port);
 };