add build tool to mcp-build. like tsup, otherwise we can't import file

[CorrectRoadH]

For example, if we want to import other codes in mcp tool, such as

import abc from ./lib/

It will not be used after building. I have tried to modify tsconfig.json. I think it is caused by the lack of a packaging tool.

[CorrectRoadH]

throw error

[2025-03-31T06:38:11.862Z] [ERROR] Error loading tool GetfilecontentTool.js: Error [ERR_MODULE_NOT_FOUND]: Cannot find module '/Users/ctrdh/Code/ZimaOS-MCP/dist/lib/getAxios' imported from /Users/ctrdh/Code/ZimaOS-MCP/dist/tools/GetfilecontentTool.js
[2025-03-31T06:38:11.863Z] [DEBUG] Checking file GetfileindirTool.js: included

[CorrectRoadH]

i fix this by

// fix-imports.js
import fs from 'node:fs';
import path from 'node:path';

// 配置输出目录
const distDir = './dist';

// 递归处理文件夹中的所有 JS 文件
function processDirectory(directory) {
  const files = fs.readdirSync(directory);
  
  for (const file of files) {
    const filePath = path.join(directory, file);
    const stat = fs.statSync(filePath);
    
    if (stat.isDirectory()) {
      processDirectory(filePath); // 递归处理子目录
    } else if (path.extname(file) === '.js') {
      fixImports(filePath);
    }
  }
}

// 修复单个文件中的导入语句
function fixImports(filePath) {
  let content = fs.readFileSync(filePath, 'utf8');
  
  // 匹配 import 语句中的相对路径导入，但不包含文件扩展名的情况
  const importRegex = /from\s+['"](\.[^'"]*?)['"]|import\s+['"](\.[^'"]*?)['"]/g;
  
  // 添加 .js 扩展名
  content = content.replace(importRegex, (match, importPath1, importPath2) => {
    const importPath = importPath1 || importPath2;
    
    // 如果导入路径已经有扩展名，不做修改
    if (path.extname(importPath)) {
      return match;
    }
    
    // 替换导入路径，添加 .js 扩展名
    return match.replace(importPath, `${importPath}.js`);
  });
  
  fs.writeFileSync(filePath, content, 'utf8');
  console.log(`Fixed imports in: ${filePath}`);
}

// 开始处理
console.log('Fixing import paths...');
processDirectory(distDir);
console.log('Done!');

  "scripts": {
    "build": "mcp-build && node fix-imports.js",
    "prepare": "npm run build",
    "watch": "tsc --watch",
    "start": "node dist/index.js"
  },