Function detectPageType

scripts/content.js:769–793

* 检测页面类型

(url, title, description)

 * 检测页面类型
 */
function detectPageType(url, title, description) {
    const combined = `${url} ${title} ${description}`.toLowerCase();

    // 按优先级检测
    const patterns = [
        { type: 'login', keywords: ['login', 'signin', 'sign in', 'log in', '登录', 'ログイン', '로그인'] },
        { type: 'register', keywords: ['register', 'signup', 'sign up', 'create account', '注册', '新規登録', '会員登録', '가입'] },
        { type: 'checkout', keywords: ['checkout', 'payment', 'order', 'cart', '结账', '支付', '购物车', '決済', 'お支払い'] },
        { type: 'contact', keywords: ['contact', 'inquiry', 'message', '联系', '留言', 'お問い合わせ', '問い合わせ'] },
        { type: 'survey', keywords: ['survey', 'questionnaire', 'feedback', '问卷', '调查', 'アンケート'] },
        { type: 'profile', keywords: ['profile', 'account', 'settings', 'edit', '个人资料', '账户', 'プロフィール', '設定'] },
        { type: 'application', keywords: ['apply', 'application', 'job', 'career', '申请', '应聘', '応募', '申込'] },
        { type: 'subscription', keywords: ['subscribe', 'newsletter', 'mailing', '订阅', '购读'] }
    ];

    for (const { type, keywords } of patterns) {
        for (const keyword of keywords) {
            if (combined.includes(keyword)) {
                return type;
            }
        }
    }

    return 'unknown';
}

/**
 * 智能填写表单 (AI)