const fs = require('fs');

const file = 'src/modules/book-generator/langgraph-generator.ts';
let content = fs.readFileSync(file, 'utf8');

// 修复第790行的正则表达式问题
const old = `    // 移除 <think>...</think> 标签
    const thinkMatch = cleanedStr.match(/</think>([\\s\\S]*)/);
    if (thinkMatch) {
      cleanedStr = thinkMatch[1].trim();
    }`;

const new_ = `    // 移除思考标签（使用字符串查找）
    const thinkEndIdx = cleanedStr.indexOf('>>>>>>>');
    if (thinkEndIdx !== -1) {
      cleanedStr = cleanedStr.substring(thinkEndIdx + 8).trim();
    }`;

content = content.replace(old, new_);

fs.writeFileSync(file, content, 'utf8');
console.log('✅ 已修复正则表达式问题');