feat: mcp serve preview

src/cli/commands/mcp.ts

@@ -3,7 +3,7 @@ import { generateCardDeck, type GenerateCardDeckParams, type CardField } from '.
 import { readFrontmatter, type ReadFrontmatterParams, type DeckFrontmatter } from '../tools/frontmatter/read-frontmatter.js';
 import { writeFrontmatter, type WriteFrontmatterParams } from '../tools/frontmatter/write-frontmatter.js';
 import { cardCrud, type CardCrudParams, type CardData } from '../tools/card/card-crud.js';
-import { ensureDeckPreview, type EnsureDeckPreviewParams } from '../tools/ensure-deck-preview.js';
+import { previewDeck, type PreviewDeckParams } from '../tools/preview-deck.js';
 import {
   designCardGame,
   getDesignCardGamePrompt,
@@ -24,6 +24,7 @@ import {
   readResource,
   type DocResource
 } from '../resources/docs.js';
+import { serveCommand } from './serve.js';
 
 /**
  * MCP 服务器命令
@@ -68,6 +69,13 @@ async function mcpServeAction(host: string, options: MCPOptions) {
   process.chdir(cwd);
   console.error(`MCP 服务器工作目录：${cwd}`);
 
+  // 启动 serve 服务器（在后台运行）
+  console.error('启动预览服务器...');
+  serveCommand(cwd, { port: '3000' });
+
+  // 等待服务器启动
+  await new Promise(resolve => setTimeout(resolve, 1000));
+
   // 动态导入 MCP SDK
   const { Server } = await import('@modelcontextprotocol/sdk/server/index.js');
   const { StdioServerTransport } = await import('@modelcontextprotocol/sdk/server/stdio.js');
@@ -196,8 +204,8 @@ async function mcpServeAction(host: string, options: MCPOptions) {
           },
         },
         {
-          name: 'deck_ensure_preview',
-          description: '确保 CSV 对应的 Markdown 预览文件存在',
+          name: 'deck_preview',
+          description: '保存 CSV 对应的 Markdown 预览文件并打开浏览器',
           inputSchema: {
             type: 'object',
             properties: {
@@ -346,8 +354,8 @@ async function mcpServeAction(host: string, options: MCPOptions) {
           };
         }
 
-        case 'deck_ensure_preview': {
-          const params = args as unknown as EnsureDeckPreviewParams;
+        case 'deck_preview': {
+          const params = args as unknown as PreviewDeckParams;
 
           if (!params.csv_file) {
             return {
@@ -356,10 +364,15 @@ async function mcpServeAction(host: string, options: MCPOptions) {
             };
           }
 
-          const result = ensureDeckPreview(params);
+          const result = previewDeck(params);
 
           return {
-            content: [{ type: 'text', text: result.success ? `✅ ${result.message}` : `❌ ${result.message}` }],
+            content: [{ 
+              type: 'text', 
+              text: result.success 
+                ? `✅ ${result.message}\n\n预览 URL: ${result.preview_url}` 
+                : `❌ ${result.message}` 
+            }],
             isError: !result.success,
           };
         }