Review this form session middleware

Situation

GPT-5.3 generated middleware for authenticated admin forms.

Environment

Express app uses session cookies for server-rendered admin pages. JSON API clients use bearer tokens on /api routes and do not submit browser forms.

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pending review

const csrf = require('csurf');

const csrfProtection = csrf({
  cookie: {
    httpOnly: true,
    secure: true,
    sameSite: 'strict'
  }
});

app.use('/admin', csrfProtection);

app.get('/admin/csrf-token', (req, res) => {
  res.json({ csrfToken: req.csrfToken() });
});